Qmainwindow resize event. setObjectName(_fromUtf8("Form")) Form.

Qmainwindow resize event But you should consider that the minimum size is not computed until some events are processed in the event loop. However, #include <QMainWindow> #include <QtGui> //I know this include here is a bad practice, but never mind, it's an example. If you use a simple QWidget, just apply one of the layouts (for example This code shows how to implement the resize event for a "QMainWindow" class in PyQt. I need a movable and resizable window. container. My mainwindow and widgets inside the main loose their aspect ratio after moving from one screen to other. 2024-12-13. Returns the 在Python中定位模式对话框的方法有：使用Tkinter库、使用PyQt库、指定对话框的大小和位置、使用居中显示、监听窗口变化事件。 If you do not wish to subclass to just get resize event control, you can installEventFilter. The sizes will be adjusted such that the maximum and the minimum sizes are respected and the QMainWindow itself will not be resized. Resize events are sent to widgets that have been resized. class MYDockwidget : public QDockWidget { Q_OBJECT public: MYDockwidget(QWidget *parent = 0): QDockWidget(parent) {} protected: void resizeEvent(QResizeEvent *event) { QDockWidget::resizeEvent(event); // Calulate Main When changing the geometry, the widget, if visible, receives a move event (moveEvent()) and/or a resize event (resizeEvent()) immediately. Strange behaviour overriding QWidget::resizeEvent(QResizeEvent* event) 29. 7f, screenSize. Custom size hints, minimum and maximum sizes and size policies should be implemented in the Hey, I have troubles on replacing items on resizeEvent of the QMainWindow - I am not using any layout, i just recalculate the new positions on resize. Small example would look like (MainWindow. windows. 6k 8 8 gold badges 67 67 silver badges 100 100 bronze badges. Now if i resize the main window, I want the dock widgets and the central widget resize proportionately , ie the widgets should appear same size in comparision to each other. ui. If orientation is Horizontal, adjusts the width, otherwise adjusts the height of the dock widgets. For example, when I maximise the screen using the maximise button and then minimise it, part of the I find it very difficult to program my Qmainwindow with 4 Qdockwidget, which the dock would fit and resize according to its contents, with other words, child widget. QApplication(sys. once the user resizes the window, force the width and the height to maintain the aspect ratio. 1. 157. 12. A quick google tells me that is a stack overflow. Then adding listener for resize event will do the job. 10. Look the different result in the two I have a main window derived from QMainWindow. Closely examining the event stream during the QDockWidget repositioning operations suggests the latter: After the slot handling the dockLocationChanged signal has done its resizing work and returned to the Your problem is because when you use the *. QMainWindow): def __init__(self): # You might want to rewrite the resizeEvent function of the QDockWidget widget. resizeEvent - 10 examples found. One of the parts of my GUI is a video player. resize(mainWindow. Make sure undoView was initialized prior to this first resize event. windowState()) def resizeEvent(self, event): self. In addition to this it is not advisable to create the scene in the one slot, but in the constructor, the same with the QChart, and then only add the series. For that you need to subclass QDockWidget. I need to do something after Qt decides the size of the main form based on the screen size and other factors, therefore I can't use the constructor, rather I have to override showEvent. Is it by design that exiting the application with QApplication::quit() does not trigger closeEvent() of the main window? I was under the impression that qApp->quit() is the right way to exit the app, and the right slot to connect the "File -> Exit" menu action to. A QDockWidget acts as a wrapper for its child widget, set with setWidget(). These are the top rated real world Python examples of PyQt4. exit(app. 27. That widget must merely track the size of its parent window. QSize. If the widget has not been resized yet, Qt will I don't want to know after the fact (for that, I could just catch the resizeEvent), I would like to know before anything has actually happened, when the user has clicked on a side/corner and has started dragging things around, and then again when the mouse has been released after the resize has finished. I try event filter but no result. But the resize operation works, though. screen ¶ Return type: QScreen. I added a "before resize" and a "after resize" screenshot to illustrate the problem. minimumSizeHint()), since a QMainWindow also has minimum size requirements depending on its extra widgets, like toolbars or, ©2024 The Qt Company Ltd. ui file, you are actually instantiating 2 QMainWindows. argv) widget = QtGui. When mouse button is Using Qt I create a QMainWindow and want to call a function AFTER the windows is shown. Because resize event will be fired at application startup too. ) See a few implementations of resizeEvent() in Qt: react on the resizing of a QMainWindow for adjust widget's size. sizeHint()): see above; mainWindow. Follow answered Feb 14, 2013 at 8:04. availableGeometry(this); this->setFixedSize(QSize(screenSize. showMessage('Running', 'Running in the background. This is the code: class TestWindow( 主要是窗口resize调用或者其他导致窗口事件大小发生变化产生。如果你想拖动主窗口的时候，能够让窗口中的组件随着窗口也能缩放的话，需要重写resizeEvent，原因在于，在构造之后，子窗口的大小就是固定的。 Create an event filter on the QML window that "eats" all window resize events. QtGui. setObjectName (_fromUtf8("gridLayout You can use the availableGeometry(QWidget*) method in QDesktopWidget, this will give you the geometry of the screen that this widget is currently on. dockOptionsᅟ - The docking behavior of QMainWindow. How to resize layout when window is resized? In this second resize event I try to calculate the correct size for the canvas by trying to calculate the "client area" of the main window and then subtracting setCentralWidget(scroller_); } void my_main_window::showEvent(QShowEvent* event) { QMainWindow::showEvent(event); was_shown_ = true; } void my_main_window Dear people, Thanks for the suggestions. 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): mainWindow. Is there a better way to disable window resizing to avoid showing the arrows when crossing the border? // constructor MainWindow::MainWindow(QWidget* pParent, Qt::WindowFlags flags) : QMainWindow(pParent, flags) { m_bUserIsResizing = false; qApp->installEventFilter(this); } // this will be called when any event in the application occurs bool MainWindow::eventFilter(QObject* pObj, QEvent* pEvent) { // We need to check for both types In Qt, QMainWindow and the various subclasses of QDialog are the most common window types. resize - 38 examples found. by clicking the maximize icon on the window), the QLabel. How to adjust the size of a PyQt window. I want qmainwindow show in maximum size and minimum size on taskbar,not normal size. ignore() self. This is how I'm doing it: This all works fine, but key press events are not propagating as I'd expected. Thanks in advance. void MainWindow::resizeEvent(QResizeEvent *event) { qDebug() << "SIZE = " << event->size(); } The problem is that when I cast this event to a QWindowStateChangeEvent, I always end up with an event object that has no information attached to it. dockNestingEnabledᅟ - Whether docks can be nested. installEventFilter(self) def Resize events are sent to widgets that have been resized. All protected functions have a corresponding event type that can be accessed in this way:. titleBar. When it encounters a mouse release The Status Bar. QGridLayout(Form) self. Then I can be quite certain windows is being resized. setObjectName(_fromUtf8("Form")) Form. WindowStateChange: self. when the window is resized, its contents should also get resized automatically? I'd appreciate the help, thanks. change to zv- in Proto-Slavic *zvoniti (to ring), but sw- in *swéḱs (six) changed to š- Center and Resize MainWindow. When I resize the window myself, everything is OK - only 1 event is fired. I have multiple monitors. QMainWindow::closeEvent(event) is typically not called. So you have to resize them by hand but it's quit weird. I think you are just one of the victims. setBrush(QColor(200, 0, 0)) painter. En Ar Bg De El Es Fa Fi Fr Hi Hu It Ja Kn Ko Ms Nl Pl Pt Ru Sq Th Tr Uk Zh. class cMainWindow : public QMainWindow, public Ui::cMainWindow { Q_OBJECT The mouse move event is passed in the event parameter. See also. 3 as published by the Free Software Foundation. void QWidget:: which will then do whatever you need your specialised QDockWidget to do on a resize event. We know that we can resize the window of PyQt5 application, but while shrinking the window size we can set minimum size so that it can't be shrank any more. resize() setGeometry() Qt窗口大小、位置及其大小改变引起的事件QResizeEvent. Custom size hints, minimum and maximum sizes and size policies should be implemented in the Note that if you want to resize the main window to the minimum possible size you should use mainWindow. You may just want to handle resize events for making your adjustments which would allow you to handle cases where the user manually stretches or shrinks the window (as well as when they maximize or restore). I have found that resizing the centralWidget in the QMainWindow then resizing the QMainWindow itself does the trick. By the way, although it's a common function, resize is inherited from QWidget and many people (me included) can't find it in the document page of QMainWindow. Any additional/missing space is distributed amongst the widgets according to the relative weight of def main(): startApplication("addressbook") o = waitForObject({"type": "MainWindow"}) test. Chapter 3 - Create an empty QMainWindow; Chapter 4 - Add a QTableView; Chapter 5 - Add a chart view; Chapter 6 - Plot the data in the ChartView; Expenses Tool Tutorial; Resize events are sent to widgets that have been resized. The Main WIndow is resizable. height Click on the blue rectangle to drag the window around, and click on the red rectangle to resize the window using hardcoded values in the qml. I'm using python and = QEvent. (I know I can catch the mouse events, but is there @pythonlearner. Storing State. In order to perform custom handling of the event, you'll need to create your own resize event handler. setWindowState(Qt. PyQt5 Second Window flickers when resize event is passed to it from Main Window. class MainmWindow(QMainWindow): def __init__(self): self. The main window handles the key release of the Enter key. argv) window = MyWidget() window. When the document window (MDIWindow) receives the resize event first and the widget containing the V3d_View (in the sample called View) receives the resize event later, then the 3D view is not correctly displayed. But it bypasses QMainWindows::closeEvent(), which often triggers, directly or indirectly, some cleanup and @Fuel ok but if i work with two different screen a primary and a secindary how I can adjust the layout of QMainWindow when I put the application from the primary screen to the secondary. You can trigger behaviors in response to user input, such as button The QResizeEvent class contains event parameters for resize events. Reload to refresh your session. ModernWindow it loses the ability to be resized by dragging the side or corner of the window. It will make your code more simple and cleaner: class MyLabelPixmap(QtWidgets. log("Maximizing") o. Is there some size property in main window to do this ?? or I have Resize QMainWindow to minimal size after content of layout changes. This document describes how to save and restore a window's geometry using the geometry properties. The code in the event handler If you do find a way to receive these events, you would probably still want to check the actual window size before making your adjustments. You can rate examples to help us improve the quality of examples. When I start the application and call show on the main_window, only part of the QTableWidget is shown. So, after user moved bounds, then he shrinks the window, then expands back, and gets the picture and 2 times form the main event loop, providing 100x200 and then 1280x971 (actual size). QPushButton('Test') widget. exec_()) 在这个示例中，我们重载了paintEvent方法，并使用QPainter进行自定义绘图。 六、使用Qt的更多功能和技 The mouse move event is passed in the event parameter. When you are resizing a child like you are doing, parent is not automatically resized. So when you hide your widget, just process the event loop for some iterations and then resize to minimum. @p3c0 You are Qt Widget Resize Event . revision – int. My MainWindows is subclassing QMainWindow. resizeEvent = onResize widget. height * 0. py and dialog_02. Please note that fonts don't scale very well when changing their size, and you should not try to change font size when resizing, as it might cause recursion. Qt has QMainWindow and its related classes for main window management. You can simply inherit QLabel instead of QWidget. Any additional/missing space is distributed amongst the widgets according to the relative weight of the sizes. The problem I'm having is getting things to resize with the QMainWindow, it seems anything inside the QStackedWidget doesn't resize with the window, how can I fix this? 在QWidget和QMainWindow窗口中，提供了鼠标和键盘的处理函数，你需要用到时，进行重载即可。事件重载方法里的e代表了事件对象，mouseMoveEvent(self,e)里e表示QMouseEvent的对象，用对象的x()和y() 第四章 QMainWindow应用篇 详细介绍QMainWindow的使用，包括菜单栏、工具栏、状态栏和停靠窗口等。第五章 样式表qss与自定义控件 教你如何使用样式表美 Auto fit the window size. The issue is that myglwidget doesn't get any of the resize events when the main window is resized, even if I set the widget size properties to "expanding. resizeEvent() handler is called multiple times (supposedly to follow the progressive enlargement of the window until it takes the full desktop space). @Christian-Ehrlicher said in Detect top/parent move event on child widget:. Reading the Qt documentation it indicates that the widget with focus would receive the events, so I had assumed the widget shown in the stacked widget would receive the key press but the debug window always receives the key events, regardless of any focus policy I set The official documentation states the following:. But you This code shows how to implement the resize event for a "QMainWindow" class in PyQt. setGeometry() I don't want when double click on title bar of qmainwindow then qmainwindow resize to normal size. But then window has fixed size and position. I have found some help in previous questions like: PyQt: Detect resizing in Widget-window resized signal. I have a QMainWindow that has a QWidget. 0. h): (MainWindow holds DockWidget Here) protected: bool eventFilter(QObject *obj, QEvent *event); and in (MainWindow. resolveInterface (name, revision) ¶ Parameters: name – str When I resize the window I would like to keep the aspect ratio of the window, so the height have to be equal to the width. move(), the minimization still happens after the move. In other words: from PyQt4 import QtGui class MyMainWindow(QtGui. ; Layout changes The widget's layout manager changes the widget's size. – In Qt, QMainWindow and the various subclasses of QDialog are the most common window types. The layout has a center area t If you use a QMainWindow the best practice will be to use a QMdiArea for handling internal windows. Ask Question Asked 2 years, 10 months ago. If you choose a fixed policy children will not be resized. ') This When I click to that the MyWindow will be grey and empty. For an example of why this is necessary in some cases or for more detail see for example this post: Python QMainWindow. I only want to do the action once, only after the 'last resizeEvent'. View Profile since I want the QLabel to automagically expand based on the users resizing of the QMainWindow and the available space, I can't use the signal/slot solution -- I can't model an expanding policy this way void setPixmap(const QPixmap& pm); protected: void resizeEvent(QResizeEvent* event) override; private: void updateMargins(); While technically the accepted solution correctly addresses the specific matter at hand (the missing dragMoveEvent implementation), it still follows the OP approach which I strongly believe being wrong in many aspects. show() sys. In your case, you would need to create a class that derives from QMainWindow and reimplement the resizeEvent function. Regards, Signals (and slots) allow you to connect disparate parts of your application together, making changes in one component trigger behavior in another. Returns the old size of the widget. This happens when maximizing or unmaximizing the document I'm using the qt designer with a QMainWindow and in that a QWidget contained a QStackedWidget so my program can have several different widgets. strange. If the widget has not been resized yet, Qt will Currently QWidget::resize() event is fired wheneven mouse is moved even a little. py files placed in a same folder: dialog_01. @lijun connect the scrollbar valueChanged() signal and compute the new geometries accordingly; since the labels will all translate by the same amount of pixels, you only need to compute the translation once and then set it for all geometries. How can I catch such event? Keyboard events QMainWindow inside QMainWindow. I tried suggestion from @J-Hilk and @jsulm, both resulted in a mainwindow that actually displays, but immediately crashes as well but now with exception code c00000fd. 2. e. I noticed the margins fail to shrink when the new level view being shown has the same x dimensions as the previous, but a smaller y dimension (or vice versa), so apparently QMainWindow only adjusts its size to its child This answer is in a series of my overlay-related answers: first, second, third. It's not easy to make this method feel beautiful. For example: QRect screenSize = desktop. This is going back over thirty years, but I if I remember correctly before a window is opened a resize event is issued by the operating system (Window NT and OS2, Break it down to a simple QMainWindow without an ui-file, add your derived class as central widget and see if you get a resize event. Hi, I have a problem with resizing QMainWindow. gridLayout = QtGui. You need to do it by You have to track the size change of the viewport and change the size of the QChart, for that we use eventFilter, but since it is another method you need that chart is an attribute of the class. How do I resize the contents of the window automatically, the font and everything, i. In most cases, it happens when running the application on a laptop with a non-standard size screen. lineEdit = QLineEdit(self. Unfortunately PySide is a little deficient in this regard, and the solution is basically to subclass the PySide UI loader to fix it. Modified 2 years, 10 months ago. Post the code here. show方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。 and try to go to make resize event so I ignore any resize from user to the window I use this code. windowStateChanged(self. First of all, the following is not subclassing:. When I maximise or minimise the window, it sometimes happens that a part of the window falls outside the screen. drawRect(50, 50, 300, 200) app = QApplication(sys. The mouse press event is passed in the event Override this to handle resize events (ev). You can trigger behaviors in response to user input, such as button There are two . The most trivial solution is to simply add a child transparent widget to QMainWindow. That approach creates unnecessary overhead while resizing, as the view will need to compute lots of things about its contents before "finishing" the resize event (including scroll bar ranges and geometries) that, While Ph0t0n isn't necessarily wrong, real-world closeEvent() implementations typically call either event. You switched accounts on another tab or window. To the layout is added a QTableWidget only (for the moment). Of course, as the window is transparent you won't have the visual feedback of a regular opaque application when you resize it. resizeEvent extracted from open source projects. This doesn't have any Best way to find it out, is to install an eventFilter on your object, listen to the resize event and qDebug the result. Qt adding child widget in resizeEvent. QMainWindow has its own layout to which you can add QToolBars, QDockWidgets, a QMenuBar, and a QStatusBar. resize(minimumSizeHint()) This will shrink the window to minimum size. frame) self. cc): 在下文中一共展示了QMainWindow. #include <QMainWindow> class QGraphicsView; class QGraphicsRectItem; class MainWindow : public QMainWindow { Q_OBJECT public: explicit MainWindow(QWidget *parent = nullptr); bool eventFilter(QObject *watched, QEvent *event) override; private: QGraphicsView *m_view; the initial idea was capturing the window resize event. I can't seem to catch the minimize event of a widget I created. Both methods take an instance of the top-level ui class from Qt Designer (usually a QMainWindow), and then add the all the ui elements to that instance. Add a comment | 0 Signals (and slots) allow you to connect disparate parts of your application together, making changes in one component trigger behavior in another. The event handler resizeEvent() receives resize events. Therefore you create 50 labels with the same image. So my question is: what was this and how to distinguish "right" event from the "wrong" one? My windows does nor have any child widgets. So, if you resize your window by 100 pixels, there is a good chance that the window receives 50 ( I'm just estimating here, could be less, could be more ) resize events. resize(self. For example if a QMainWindow subclass has a central widget, with children and layout managers; then if widgets are hidden and variable size widgets like QTextEdit are visible it seems impossible to change the size of the window from code. resize(385, 277) self. Does anyone have an idea how to solve this? Critical bit of code follows, I have a full project available if As simplest case, I'd be glad if the behavior of QMainWindow wouldn't change after user moved bounds of central widget. See closeEvent() documentation for yet another useful example. Any ideas why? The closeEvent method is also not being called. You'd probably need to look at how PySide implements its QUiLoader class. I suspect a problem in the code, but I don't know where to start in this case. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1. QLabel): def __init__(self): QMainWindow has its own (private) layout manager that uses a central widget to show the "main" content of the window, Since you're not showing the main window, no resize event is emitted, but even in that case, you resized the window before adding the child, so you would still see the same default size. The official documentation states the following:. documentModeᅟ - Whether the tab bar Hello, I have reimplemented the resizeEvent in a subclass (of the QMainWindow) to receive widget resize events which are passed in the event parameter. gridLayout. Parent widget resizing The widget's parent widget resizes, causing the child widget to also resize. QPlainTextEdit): def __init__(self, obj): . Events are queued and no event will be processed if the last one hasn't finished, so a slow resize event processing will cause your application to hang, not update widgets and not respond to user input, not process sockets or timers! Later, I can resize the window down to 300 pixels with the mouse or another button. For some reason, it treats QMainWindow and QDialog differently. If the widget is not currently visible, QMainWindow doesn’t resize when child widget gets resized. QtCore. You already answered this by yourself - you know when the parent moved, so the absolute position of the child must have changed too The ui module created by pyuic (via Qt Designer) is just a simple helper class with a couple of initialization methods. This post shows how to move the window manually so I wonder whether there is a way to at least keep the borders resizable. If I change self. When a resize event is created, it's done using this system anyway so it conforms to what's happening under the hood. 使得Qt界面的控件随窗口的变化而变化 1. lineEdit. resize extracted from open source projects. " And when I restructure my app constructor to call setCentralWidget(&myglwidget_) the code compiles and runs but no OpenGL window appears. But, when I press the Enter key while the QDialog is open and in focus the main window also catches this event. you can implement a close event like this: def closeEvent (self, event): 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I cannot create a functioning resize event for a custom QT class. Then, in the mouse move event of the QMainWindow, the geometry of the QWidget is set, such that it appears that the user is drawing a rectangle on top of the QMainWindow. With layout when you are resizing a parent all children are resizing too regarding the size policy you provided to them. Your code would look something A main window provides a framework for building an application's user interface. Signals (and slots) allow you to connect disparate parts of your application together, making changes in one component trigger behavior in another. If the second argument to load is an instance of one of those classes, it will become the parent of the returned widget. 7f)); I used: setFixedSize(size()); to stop the window from resizing, but the resize arrows still appear when the mouse is over the border of the window. Make a QMainWindow only horizontally-resizable - that is, width is resizable, but height is fixed. To capture the resize event of a QMainWindow class, the method resizeEvent () method must be overrrided. How to make the Qt Widgets from a window auto-expand its size if the window was resized by the user? 0. On X11, this might not work because an invisible window does not have a frame yet. QMainWindow. A generic way to listen to all events for a given widget, is to install an event-filter on it. From the forums, I learned that the way to do that I need to start a job when QMainWindow and all its widgets are initialized and rendered. Documentation contributions included herein are the copyrights of their respective owners. QtGui import QFont from PyQt5. If it does then I would put a breakpoint there to see where the resize events are coming from. As I said in my previous comment, Qt for reasons of efficiency do not apply the changes immediately, for example, you are indicating that you change size, do you think you can update the size when the view is not yet displayed, so you are going to change size if Using PyQt5, I'm using a QWidget as my main form (could just as well be a QMainWindow). ignore() depending on whether unsaved changes exist or not. } } // Pass the modified Windows Message to the original event handler return QMainWindow::nativeEvent(eventType, message, result); } void MainWindow::resizeEvent(QResizeEvent *event) { adjust(); QMainWindow::resizeEvent(event); } Share. You signed in with another tab or window. Receives the mouse press events for the widget, and primes the resize operation. QMainWindow, QLabel, QWidget, QHBoxLayout from PyQt5. py Both files are copy of each other. This event is not cancelable and does not bubble. Last edited by stefanadelbert; 29th March 2010 at 07:38. g. I can extend the window manually to see it all, but I would like the window to have its size nicely adapted to the size of Python QMainWindow. How to save and restore window geometry. Once when you instantiate your class ControlMainWindow and once when you load the UI file. In this article, we will see how to do this. hide() to self. When these widgets self. [Edit] Thanks to lpapp's comment: I would like to perform an action after I resize a QMainWindow (dragging the mouseafter cloicking the border or a cornerpoint. B 1 Reply Last reply . The event handler QWidget::resizeEvent() receives resize events. Qt Code: Switch view. . Long story: Of course, I tried it myself. pyqt4 window resize event. :(– kissgyorgy. C++, glut, class MainWindow(QMainWindow): def closeEvent(self, event): event. [override virtual protected] void QSizeGrip:: mousePressEvent (QMouseEvent *event) Reimplements: QWidget::mousePressEvent(QMouseEvent *event). class MainWindow : public QMainWindow {Q_OBJECT. Resizes the dock widgets in the list docks to the corresponding size in pixels from the list sizes. width * 0. Of course I can also But the resize events are posted very quickly. replied to p3c0 on last edited by Bremenpl #13. resize(640, 480) This code shows how to implement the resize event for a "QMainWindow" class in PyQt. If you look on the Qt Docs for Events it has some discussion on sending and posting events, Qt Resizing a QMainWindow with a Splitter. I can't really figure out what I am doing wrong. minimumSizeHint()): see above; I also read in this thread, that before doing the mainWindow resize I the event loop needs to be run to recalculate the new sizes, so I inserted QCoreApplication::processEvents to do so, without any visible effect. I need to resize a QMainWindow on certain event, so I cannot use static setup of min/max sizes and size policies. I have an application where fixed-size child widgets need to be added programatically to a dock widget at run time based on user input. Then it forwards the window resize events. resize(400, 300) def paintEvent(self, event): painter = QPainter(self) painter. B Offline. Along with the companion QDockWidget and When I wrap my QMainWindow widget in a qtmodern. and According to Qt There are a number of different ways to achieve this. Is there a setting on QMainWindow/QWidget to make it continue to receive update request events? Or is there some better way to implement the animation? Edit: I'm on Mac OS X. Currently I use Qt Designer directly to make such a GUI. PySide2. Qt guarantees that a widget gets move and resize events just before it is shown. From Qt Wiki. Is it possible to construct an event object that can successfully pass the if tests in my original posts? 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The most common way to attempt this is to call resize from within the resize event. I would like to perform an action after I resize a QMainWindow (dragging the mouseafter cloicking the border or a cornerpoint. Tim Meyer Tim Meyer. – I have a QMainWindow with an event filter installed that opens a QDialog. But it won't resize to 300 in the checkbox event, even if I call resize several times. Constructs a resize event with the new and old widget sizes, size and oldSize respectively. trayicon. The promised example looks something like this: MainWindow. The QWidget appears, and has its origin set in the mouse down event of the QMainWindow. I want to add these widgets to a dock on the Qt::RightDockArea, from top to bottom You may use resize(800, 600) in the constructor instead of setMinimumSize which creates limits. I tried to use the setFixedSize(), but this method blocks ALL resizes events. Bremenpl. To capture the resize event of a QMainWindow class, the method resizeEvent () method must be QMainWindow will automatically resize your wrapper widget to occupy all of the space available. void MainWindow::resizeEvent(QResizeEvent *event) { event->ignore(); //i try to use this code on closeEvent and it work but not work on this event !! } so it should not accept any resize when the user tries to change the size of the window The only difference I was able to find, is the order of resize events. QResizeEvent. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I need draw a Qt-window without the title bar. ; User interaction The user resizes the widget using the mouse or keyboard. Enjoy! No need to create a QLabel inside the separate QWidget. 目的. I have mentioned before that you can only I found a solution for my problem: To get resize events during resizing process one firstly need to get resizing frame widget: qx. I have a central widget and two docking widgets in this main window. At present, using resizeEvent() in my case does While the OP proposed solution might work, it has an important drawback: it uses a QScrollArea for the wrong purpose (since it's never used for scrolling). ) Straightforward connecting a slot to a resizeEvent is not what I need, as while resizing the QMainWindow many of these events are emitted. Member Function Documentation QResizeEvent:: QResizeEvent (const QSize &size, const QSize &oldSize) I am loading a QMainWindow from an . I would like to resize these images according to the changing window size. As seen from qDebug(), while a menu is open or the window is being resized, the window stops receiving update request events. QtCore import Qt # widget to which dimensions are passed class Dimensions This has not been satisfactorily answered. ; When resizeEvent() is called, it is passed a QResizeEvent object as an Then in the resize or paint events do the bare minimum of setting the geometry or painting the data. The method is not getting called. In order to do this Qt provides the following classes for managing main windows and associated user interface components: QMainWindow is the central class around which applications can be built. accept() or event. Putting a virtual keyword in front of my event function in the header like QObject does neither helps. In case you are using Python with PyQt4, you can set widget. My QMainWindow contains a number of dockable widgets. You can set a status bar with setStatusBar(), but one is created the first time statusBar() (which returns the main window's status bar) is called. In some earlier browsers it was possible to register resize event handlers on any HTML It should be possible to trap a resize event in QMainWindow using a customized. Return type: void. umulingu. I have the same or similar issues. Generally this can be easy by just setting the CustomizeWindowHint window attribute. However, this wrapper can make its child widget any size and put it any place I have a QMainWIndow with several widgets, one of which is a QTableView. width(), self. When it encounters the first one, it sends resizeStarted(). Regenerate that code from the UI, leave it untouched and create a QMainWindow subclass that will use it, as explained in the official guidelines about using Designer. You signed out in another tab or window. Note that due to asynchronous event handling, especially on You can resize the window to minimumSizeHint() after the number of widgets is changed : self. ui file - it's working fine but window events like resize won't be triggered. I don't know if that is what is actually intended, though - you'd have to ask the PySide devs about that. Making the ui elements resize when the window is resized. resizeEvent to your function without sublclassing it: #!/usr/bin/env python import sys from PyQt4 import QtCore, QtGui def onResize(event): print event if __name__ == "__main__": app = QtGui. 要将Matlab Command Window嵌入到一个QDialog中，使得这个窗口控件随着窗口大小的改变而改变。这就要重 @LexSergeev The order is important because it is necessary that the parameters of the views are established. See QStatusBar for information on how to use it. Improve this answer. To capture the resize event of a QMainWindow class, the method resizeEvent() method must be overrrided. It seems that the QGraphicsView is getting events it shouldn't be, as a guess, try returning true just for QEvent::Resize and see if that makes a difference. The mouse press event is passed in the event The problem now is that when I click on the Maximize button, all my widgets stay the same I have tried to use the resizeEvent, but PyQt doesn't make any difference among this event's senders : indeed this event is sent when the window in being resized with the maximize button, or with the mouse by stretching the window. See also QWidget::resize() and QWidget::setGeometry(). resolveInterface (name, revision) ¶ Parameters: name – str. h. WindowMaximized) snooze(1) test The resize event fires when the document view (window) has been resized. Resizer _getResizeFrame() (this is protected function so writing own class which inherits from Resizer may be needed). oldSize ¶ Return type:. If the window is resized slowly there are not any troubles but if i resize it very fast by moving the mouse in crazy ways i get weird results. I have a QMainWindow containing a child QWidget containing itself a QLabel. 1. I am going to try this by finding out if resize event is called when mouse button is pressed. (Except perhaps your team believing they have to accept resize events. class ChangeMethodsDnDTagList(QtWidgets. Obviously, the more labels you'll have, the more slow the whole scrolling process will be, which is another downside of I would like to know how to block/filter the vertical and horizontal resize events and call the resizeEvent() when the user try to resize the QMainWindow using the window corner (Image below). Anyone can help me? animatedᅟ - Whether manipulating dock widgets and tool bars is animated. When the window is maximized (e. Jump to navigation Jump to search. I have a main window which contains a main widget, to which a vertical layout is set. The resize event is called whenever the window is resized in the windowing system, either directly through the windowing system acknowledging a setGeometry() or resize() request, or indirectly through the user resizing the window manually. I want the video player to stop playing the video if I'm resizing the GUI. You can trigger I trying to make the ui with rounded corners on a QMainWindow with Qt Designer by also adding a custom title bar. On Windows, this is basically storing the result of QWindow::geometry() and calling QWindow::setGeometry() in the next session before calling show(). 1st April 2010, 12:29 #3. This ensures that everything created in Qt Designer is accessible from the top-level widget. Both build a simple QMainWindow dialog window with two buttons: 'Ok' and 'Cancel'. When I call the function in the constructor the function (a dialog actually) get's called before the window is You signed in with another tab or window. I tried solutions from every post I could find but it just doesn't seem to def setupUi(self, Form): Form. hide() self. How can I resize my main window according to new screen size while maintaining the aspect ratio? I tried following this, it didn't help in my case. okkzfjer lwecomu vsgf aplsq rvt kyxeyw rhess tfnb fadpgn lab