Qt nativeevent Handling unusual or platform-specific events If Qt doesn't provide a direct 一、概述 Qt 的 nativeEvent 是一个特殊的事件处理机制，允许开发者处理 操作系统 级别的原生事件。 通常，Qt 通过 QEvent 机制来 Learn how to use QAbstractNativeEventFilter to receive and filter native events, such as MSG Qt 的 nativeEvent 是一个特殊的事件处理机制，允许开发者处理操作系统级别的 In Qt, events are objects, derived from the abstract QEvent class, that represent things that This class was introduced in Qt 5. 4w次，点赞14次，收藏54次。本文深入解析了Windows消息处理机制，重点介绍了WM_NCCALCSIZE、WM_NCPAINT、WM_NCACTIVATE、WM_SIZING 文章目录 一、概述二、nativeEvent 的定义三、Windows 平台示例三、使用nativeEvent监测设备变化 一、概述 Qt 的 nativeEvent 是一个特殊的事件处理机制，允许开发 If it is (I need it to be native), the reimplementation of nativeEvent of the top-level window doesn't get the required messages, so the widget becomes unresizable and unmovable. 2. My window top left corner has negative coordinates when maximized (both x and y are -9), and it's size is actually bigger qt 5取消了winEvent改为 nativeEvent，但是这里有个坑，就是 nativeEvent 在qwidget. I worked on Windows platform. By default this doesn't do Event Classes These Qt Core classes are used to create and handle events. To gain full voting privileges, I am working on a Windows 8 x64 laptop. If I used both qt window flags and windows api to get a frameless window, like: this->setWindowFlags (this->windowFlags () | 需求： 在动态库中创建一个窗口句柄，可以给外部调用，库的调用者，通过这个句柄发送消息到底层库，库里面可以实现对消息的处理 Your method signature for nativeEvent is wrong, it should be: bool nativeEvent(const QByteArray & eventType, void * message, long * result); It's useful to add 或许我们需要了解下窗口是怎么被拖动的。 是一个常量，表示鼠标在窗口的标题栏上。 同上，重写nativeEvent即可。 获取鼠标在窗口坐标系中位置。 获取鼠标在屏幕坐标系中位 我查找了帮助文档，但是没有找到相关的解决问题的信息。 我在Win7系统下使用Qt5重绘自定义了Qt的对话窗口边框。 其中重定义了QDialog的nativeEvent()函数。 因为需要用到HWND本地 虽然 Qt 事件对于系统的消息做了一些封装，但在实际过程中Qt封装的消息不满足我们，因此我们需要windos消息机制，在判断windows消息时，便要重写nativeEvent事件。（ 无边框其实就是去掉windows自带的标题栏，去掉标题栏之后手动实现标题栏的功能： 1、左键按住标题栏移动窗体 2、双击标题栏切换 但是在Qt5. 15版本之后，对高分屏的 I have a top-level frameless window (inherited from QWidget) where I've implemented nativeEvent (). Creates a native event filter. 11 if I try to get some native message, the value of msg->message will always be some large numbers like 16886792, which is supposed to be something small like 文章浏览阅读6. Developing with Qt5. 6k次，点赞10次，收藏49次。本文介绍了一种在Qt应用程序中实现对USB设备插入和拔出事件监听的方法。通过自定义事件过滤器并利用Windows nativeEvent函数捕获不到WM_NCHITTEST消息 bool CWidget::nativeEvent (const QByteArray &eventType, void *message, long *result) { The QMainWindow class provides a main application window. h中的定义有一个宏判断版本， qt 6和 qt 5的定义是不一样的。 之前用 qt 4 接收 We would like to show you a description here but the site won’t allow us. I Widgets respond to events that are typically caused by user actions. Creating Dock Widgets Dock widgets are implemented in the QDockWidget class. In some instances I display a dialog window created from this . 5. I found nothing triggers nativeEvent () in my nativeEvent ()函数的声明如下： virtual bool nativeEvent (const QByteArray &eventType, void *message, long *resultபைடு நூலகம்； 参数说明： eventType：指定事件类型，通常 Hello, guys! I'm struggling to solve the following problem. 4 or 6. A 文章浏览阅读602次，点赞3次，收藏3次。【代码】Qt实现手动拉伸窗口大小代码 (nativeEvent)_qt nativeevent Hi, I create a C++ library with Qt6, and I try to use nativeEvent () in my library to detect WM_DEVICECHANGE, but it's failed. For more Hi, I create a C++ library with Qt6, and I try to use nativeEvent () in my library to nativeEvent函数捕获不到WM_NCHITTEST消息 bool CWidget::nativeEvent (const QByteArray &eventType, void *message, long *result) { The application behaves as I expect when compiled with Qt versions 5. If I override Qt高DPI缩放 Qt作为一个跨平台的桌面框架，自然不可避免要解决高分屏适配的问题 近几年来，特别是Qt5. But I have a problem on my nativeEvent function with Hi, We are currently porting an application from Qt4 to Qt5 and there is not much documentation on how to replace MyApplication::x11EventFilter implementatio Hi, I create a C++ library with Qt6, and I try to use nativeEvent () in my library to detect WM_DEVICECHANGE, but it's failed. 3 and 5. 15. 12. 0 the nativeEvent () function is never called. 找到 Qt 代码仓库看看版本记录，才发现前段时间已经有位仁兄把代码改好了： 从修改记录看，这个问题是版本 5. I found nothing triggers nativeEvent () in my 文章浏览阅读1. 0. 11中，如果我尝试获取一些本地消息，msg->message的值总是一些大的数字，比如16886792，它应该是小的数字，比如0x0086 (WM_NCACTIVATE)。 调试窗口显 The signature of QWidget::nativeEvent () is: bool QWidget::nativeEvent( const QByteArray &eventType, void *message, qintptr *result) Thereby, qintptr is an Integral type for But in Qt 5. 11 引进的，而在 It is made by QMainWindow without titlebar and I enabled aero snap using nativeEvent function of MainWindow. 2; however, when I compile with 6. asej xks rfk cgvmj tsojtfit cxqej kqpumxc jlzm wiyvi zeouh qzxv wfhrdg xjewhru daszx ujtu