Qkeyevent enter Note that this function does not distinguish between capital and non-capital letters, use the PySide. Apr 6, 2013 · I have a QDialog with a QDialogButtonBox. PySide6. isAutoRepeat ¶ Return type. keyValue, Qt::NoModifier); Nov 6, 2021 · 说明:这是QKeyEvent类的构造函数之一(共有2个),本文仅列举这一个,构造函数可以用于创建QKeyEvent类型的自定义事件,构造函数的参数虽然较多,但是,这些参数只是为创建的事件提供了一些必要的信息而已。 Dec 15, 2014 · Certain widgets will allow me to do: self. That's known as the Return key, and its value is represented by Qt::Key_Return , which equals 16777220. e. g. QEvent::TabletLeaveProximity: 172: Wacom tablet leave proximity event (QTabletEvent), sent to QApplication. Created event for that key by . Returns true if this event comes from an auto-repeating key; returns false if it comes from an initial key press. bool. Returns the code of the key that was pressed or released. If key is 0, the event is not a result of a known key; for example, it may be the result of a compose sequence or keyboard macro. Any idea of why and how can I do what I want? Int key is the code for the Qt::Key that the event loop should listen for. QKeyEvent オブジェクトには、以下の情報を取得するためのメソッドがあります: nativeScanCode(): システム固有のスキャンコードを取得します。 modifiers(): 押された修飾キー(Shift、Ctrl、Alt など)を取得します。 Jan 13, 2025 · This function takes a single argument of type QKeyEvent*, which provides information about the key that was pressed. connect(on_click) but doing: self. qt. qKeyEvent): if qKeyEvent. QKeyEvent::key()は、QKeyEventクラスのメンバー関数です。この関数は、int型の値を返します。この値は、Qt::Key列挙体で定義されているキーコードに対応しています。 int QKeyEvent::key const. Constructs a key event object. The OK and Cancel buttons are active. Answer by Vasco Rinaldo. So far I have: User = raw_input('Enter <Ca See also QGuiApplication::keyboardModifiers(). text() function (returning the Unicode text the key generated) for this purpose. If the key event does not contain this data 0 is returned. Feb 14, 2006 · Another exception to Tab support is text-entry widgets that must support the insertion of tabs; almost all text editors fall into this class. See Qt. Access key information Inside the overridden keyPressEvent(), you can use the QKeyEvent object to access details about the pressed key: event->key(): Returns the Qt::Key value of the pressed key (e. It seems, no matter what I do, the Enter key always activates the OK button. Key events are sent to the widget with keyboard input focus when keys are pressed or released. From doc. If this widget is focused, we are in passthrough key mode, and Enter/Shift+Enter/etc. Key for the list of keyboard codes. setFocusPolicy(Qt::ClickFocus); Mar 7, 2013 · Why, when I press Enter, does the keyPressEvent method not do what I need? It just moves the cursor to a new line. You'd need to retain the state of the control to ensure that you are in fact appending characters. Qt treats Control+Tab as Tab and Control+Shift+Tab as Shift+Tab, and such widgets can reimplement QWidget::event() and handle Tab before calling QWidget::event() to get normal processing of all other keys. Occasionally I disable or hide the OK button based on the state of my dialog. I am able to get key value's from HAL through a call back function in Qt. quint32 QKeyEvent:: nativeModifiers const. 例:特定のキーが押されたかどうかを判断する Mar 29, 2011 · I'm an intermediate C++ programmer but picking up some parts of QT is proving to be challenging. clicked. QKeyEvent::QKeyEvent(QEvent::Type type, int key, Qt::KeyboardModifiers modifiers 、定数 QString & text = QString()、 bool autorep = 偽、 quint16 count = 1) キー イベント オブジェクトを構築します。 The type パラメータは QEvent::KeyPress 、 QEvent::KeyRelease 、または QEvent::ShortcutOverride である必要が Wacom tablet enter proximity event (QTabletEvent), sent to QApplication. key() in (QtCore. connect(on_key) will fail saying that the object has no attribute 'connect'. QEvent::TabletTrackingChange (since Qt 5. This flag is set by default for KeyPress and KeyRelease , so there is no need to call accept() when acting on a key event. The type parameter must be KeyPress, KeyRelease, or ShortcutOverride. QKeyEvent is part of Event Classes. QKeyEvent *event = new QKeyEvent (QEvent::KeyPress, inputKey. def keyPressEvent(self, e: QKeyEvent) -> None: """Override keyPressEvent to ignore Return key presses. Int key is the code for the Key that the event loop should listen for. QKeyEvent::key()の詳細. Dec 18, 2013 · Constructing a QKeySequence from the combo tag is trivial but I need to monitor QKeyEvents in order to trigger actions. The QKeyEvent class describes a key event. Sep 3, 2014 · You are pressing the "Enter" key that's next to the letters on your keyboard. 9) 219: The Wacom tablet tracking state has changed. The modifiers holds the keyboard modifiers, and the given text is the Unicode text that the key generated. So, in order to support both key presses, you would modify the if statement as follows: To read out which key was pressed, we need to convert the QEvent to a QKeyEvent: QKeyEvent * key = static_cast < QKeyEvent *> ( event ); Enter/Return or another key? Jan 21, 2015 · I've tried to put this 3 functions but if I press Enter and debug it jsut enters in :event() but never print 2 or 3 (never is true the if condition of Qt::Key_Enter or Key_Return). it would not be acceptable to only monitor key commands for QKeySequences (if that is even possible). PyQt 使用keyPressEvent捕获回车键或返回键 在本文中,我们将介绍如何使用PyQt中的keyPressEvent来捕获回车键或返回键的事件。 Dec 21, 2024 · Write a Python program to build a PyQt application that responds to keyboard events such as key presses and releases. Provides a mechanism to intercept and process key presses before they are handled by the default Qt behavior. QtGui. io: QApplication Class: The QApplication class manages the GUI application's control flow and main settings. Please note I have to monitor QKeyEvents because they are used for other purposes in the application as well. Feb 5, 2018 · QKeyEvent *poKeyEvent = new QKeyEvent ( QEvent::KeyPress, Qt::Key_Enter, Qt::NoModifier); QCoreApplication::postEvent (this, poKeyEvent); Now I want to post a combination of key events for example QKeySequence(tr("Ctrl+L")); Is this a proper way of posting a key sequence events? Jul 6, 2016 · EDIT: As pointed out by other users, the method I outlined originally is not the proper way to resolve this. widget. A key event contains a special accept flag that indicates whether the receiver will handle the key event. will cause QLineEdit to think it's finished without command_accept to be called. Jan 13, 2025 · Qt Dialog Keyboard Events . Returns the native modifiers of a key event. , Qt::Key_A for the 'A' key). isAutoRepeat ¶ Return type:. QKeyEvent. Can any of you smart guys give me a potential implementable solution? May 3, 2015 · Synthesizing a key press event to append characters to a line edit is asking for endless trouble. . Purpose. I need to process key press events from the QPlainTextEdit when the user presses enter and I presume that the solution will involve sub classing the widget. Note that if the event is a multiple-key compressed event that is partly due to auto-repeat, this function could return either true or false indeterminately. I k I am a python newbie and have been asked to carry out an exercise: make a program loop until exit is requested by the user hitting <Return> only. i. Qt Aug 19, 2022 · 使用QKeyEvent类用来描述一个键盘事件。当键盘按键被按下或者释放时候,键盘事件便会被发送给拥有键盘输入焦点的部件。QKeyEvent的key函数可以获取具体的按键,对于Qt中给定的所有按键,可以在帮助中通过Qt::Key关键字查看。 Dec 13, 2024 · QKeyEvent オブジェクト. 2025-01-13. QEvent::ThreadChange: 22: The object is moved to another thread. These codes are independent of the underlying window system. keyPressEvent. Use Set the FocusPolicy to Qt::ClickFocus to get the keybordfocus by mouse klick. uwmaoaeeqoumghuxxjngylhpwetazhfnfvqohipelhswafamwidicorxqibfd