C++ → C++ - Tutorial 009. Modularity

C++, Modularity

The key to managing this is to clearly define the interactions among those parts. The first and most important step is to distinguish between the interface to a part and its implementation. At the language level, C++ represents interfaces by …

QML → QML - Tutorial 031. Disable the system window framing in QML and write the code for processing the move and resize windows

QML, Qt, Frameless Window, Custom Style

If for some reason, you decide to abandon the standard system window frame and implement all the Title Bar windows on your own in QML, then you can easily implement this with QML, which is even easier than in C …

C++ → C++ - Tutorial 008. Enumerations

c++, enum, enumerations

In addition to classes, C ++ supports enumerations. In the current standard, C ++ is supported as enumeration without the scope that was introduced in earlier versions of C ++, as well as C.

enum ColorTypes {
    Green,
    Yellow,
    Red …

Qt → Open fb2-files using Qt

fb2, html, QXmlStreamReader, xml

Currently fb2 is a popular format for storing books. The fb2 file is a special case of xml. The main element of its structure, as for html, is the tag (control words). In this article, I'll show you how to …

Qt → Using the capabilities of winExtras when working with QML

qt, TaskbarButton, JumpList, qml, ThumbnailToolBar, winextras

Some time ago I wrote several articles about using the QtWinExtras library, which opens access to special features that are available only for Windows. Now I want to say a few words about how to repeat, too, using QML. For …

Qt → Using JumpList to store files opened in the application when using Qt

winExtras, jumpList

JumpList, one of the features that are present only in Windows (version 7 and above). In this sheet, in particular, you can store links to the most recently opened files in the application.

Step-by-step instruction

To use this function, you …

Qt → Qt/C ++ - Tutorial 071. Dynamic creation of graphs with QtCharts.

QtCharts, Qt5

We will analyze the creation of graphs when it is necessary to add a large number of graphs, which are created dynamically. A similar lesson was already in the article on dynamically creating widgets, only there were added QPushButton buttons. …

Qt → Using the buttons WinThumbnailToolButton when working with Qt on Windows

winextras, QWinThumbnailToolButton, Qt, ThumbnailToolButton, WinThumbnailToolButton

Buttons of class QWinThumbnailToolButton - one of the options available only for Windows (7 and older). You could see such buttons in Windows Media Player

Step-by-step instruction

To use these buttons, you need to

Connect the winextras module to the …

Qt → Progress bar on the taskbar icon of a Windows application using Qt

Qt, полоса прогресса, QWinTaskbarProgress, winextras

The Qt library provides a number of platform-dependent features. One of these features for Windows is the use of the progress bar on the taskbar icon. This option is available for the OS since version 7.

To use this and …

Qt → Qt/C++ - Tutorial 070. Crop image using QGraphicsScene

crop, Qt, qgraphicsscene, Image

Let's write a small application that will allow you to crop the image using QGraphicsScene . In this case, the image will be cropped so that a square is obtained. That is, to make the image always square (Add this …