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Evgenii Legotckoi
May 11, 2020, 3:38 p.m.

Qt → Qt WinAPI - Lesson 010. How to check if file writing is prohibited by another process.

Qt, QFile, WinAPI

Surprisingly, in the course of my professional activity, I stumbled upon one interesting feature of QFile. With it, you can check whether it is possible to read or write information to a file. But at the same time, QFile ignores …

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grig_p
Oct. 31, 2017, 2:27 p.m.

Qt → Qt - WinAPI. How to show a running application on top of your application

WinAPI, Qt, winId

There was at me somehow a problem to operate applications - the services written on Qt, from application - a kernel written also on Qt. And, if the service application is not running, then it should be started, and if …

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Evgenii Legotckoi
June 13, 2016, 11:35 p.m.

Qt → Qt WinAPI - Lesson 009. SetWindowsHookEx - Logging mouse events via WinAPI

Hook, mouse, Qt, WinAPI, SetWindowsHookEx

Functional WinAPI allows by using hooks to monitor system events, such as mouse movement and clicks. This functionality based on callback functions, so if you want to use the Qt system of signaling and slots , you will need to …

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Evgenii Legotckoi
March 7, 2016, 9:52 p.m.

Qt → Qt WinAPI - Lesson 003. How to use windeployqt for collect all DLL?

windows, Qt, WinAPI, windeployqt, DLL

In one of the lessons of the Qt it has already been shown how to collect all the DLL, used in the project for the training program for use on other PCs running Microsoft Windows, and now propose to get …

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Evgenii Legotckoi
Jan. 8, 2016, 10:53 p.m.

Qt → Qt WinAPI - Lesson 006. Parsing QKeySequence for RegisterHotKey in WinAPI

Qt, RegisterHotKey, горячие клавиши, HotKey, WinAPI, QKeySequence

QKeySequence very different from the sequence of hotkeys in WinAPI . QKeySequence actually is a string in which the separator hotkeys are "+" sign, as well as the sequence ", " , if several sequences. Then, as in WinAPI there …

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Evgenii Legotckoi
Jan. 3, 2016, 10:35 p.m.

Qt → Qt WinAPI - Lesson 005. Global HotKey WinAPI in Qt5

UnregisterHotKey, Qt, RegisterHotKey, горячие клавиши, HotKey, WinAPI

To work with global HotKey in Qt5 , there is a virtual method nativeEvent . This method replaces the methods winEvent , x11Event , macEvent of Qt 4.8 .

The especiality in the HotKey to Qt is that if the …

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Evgenii Legotckoi
Jan. 2, 2016, 11:30 p.m.

Qt → Qt WinAPI - Lesson 008. Adding Qt application into Windows autorun using QSettings

автозагрузка, Qt, автозапуск, WinAPI, Windows

As is known, QSettings class allows you to store application settings in the registry of Windows . Due to this possibility, and a good knowledge of your Windows registry, you can add an application to autostart, or remove it from …

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Evgenii Legotckoi
Oct. 6, 2015, 11:13 p.m.

Qt → Qt WinAPI - Lesson 007. Working with ICMP Ping in Qt

PING, WinAPI, Qt, ICMP

Immediately I want to upset you, dear readers. Qt does not have the functionality to work with the ICMP protocol and therefore have to use for this purpose API target operating system. However, this is not surprising. The ICMP protocol …

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Evgenii Legotckoi
Sept. 18, 2015, 8:54 p.m.

Qt → How to make game using Qt - Lesson 1. Control of object

QGraphicsScene, написать игру, WinAPI, GameDev, QGraphicsItem, getasynckeystate, Qt

With this lesson begins a series of articles on how to write a play on Qt. In the previous article it was told about the system of positioning of graphical elements QGraphicsItem in the graphic scene QGraphicsScene . It was …

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Evgenii Legotckoi
Aug. 16, 2015, 9:32 p.m.

Qt → Qt WinAPI - Lesson 002. How to make win installer for Qt apllication?

WinAPI, Инсталлятор, InnoSetup, Windows, Qt, DLL

In the previous article we learned how to quickly collect all used in the project DLL-libraries. And now it is time to talk about how to build an installer for OS Windows. For a long time I use quite comfortable …

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  • Last comments
  • AK
    April 1, 2025, 11:41 a.m.
    Добрый день. В данный момент работаю над проектом, где необходимо выводить звук из программы в определенное аудиоустройство (колонки, наушники, виртуальный кабель и т.д). Пишу на Qt5.12.12 поско…
  • Evgenii Legotckoi
    March 9, 2025, 9:02 p.m.
    К сожалению, я этого подсказать не могу, поскольку у меня нет необходимости в обходе блокировок и т.д. Поэтому я и не задавался решением этой проблемы. Ну выглядит так, что вам действитель…
  • VP
    March 9, 2025, 4:14 p.m.
    Здравствуйте! Я устанавливал Qt6 из исходников а также Qt Creator по отдельности. Все компоненты, связанные с разработкой для Android, установлены. Кроме одного... Когда пытаюсь скомпилиров…
  • ИМ
    Nov. 22, 2024, 9:51 p.m.
    Добрый вечер Евгений! Я сделал себе авторизацию аналогичную вашей, все работает, кроме возврата к предидущей странице. Редеректит всегда на главную, хотя в логах сервера вижу запросы на правильн…
  • Evgenii Legotckoi
    Oct. 31, 2024, 11:37 p.m.
    Добрый день. Да, можно. Либо через такие же плагины, либо с постобработкой через python библиотеку Beautiful Soup