Qt is perhaps best known as a cross-platform user interface toolkit, and only in the last few years has Qt Creator really evolved to be a full software development environment. Even in its early releases, however, Qt had an excellent facility for building user interfaces with Qt Designer, now part of Qt Creator. More recently, the developers building Qt have added Qt Quick as a second option for user interface development. Qt Quick extends the Qt libraries and Qt Designer capabilities of Qt Creator to build fluid interfaces for touch screens and set-top boxes. This is facilitated by the declarative nature of Qt Quick and Qt Meta-Object Language (QML).
In this chapter, we will cover:
Qt's notion of signals and slots
Creating user interfaces with Qt Designer
How to instantiate forms, messages, and dialogs
Introduce Qt Quick's support for declarative UI development
At the end of this chapter, you'll be well equipped to decide whether your application...