Spectrum analyzer for .wav file (44.1 KHz - 16 bit)Features: zoom in/out, resolution selector (512, 1024, 2048, 4096 pt.), linear/logaritmic scale, file selectorDependency: fftw3Custom widget plugin for Qt Designer.

Alternative Push Button with color propertiesCustom widget plugin for Qt Designer

Alternative Push Button (metal version)Many properties can be set in "Property Editor" of Qt DesignerCustom widget plugin for Qt Designer

Sliding, flashing or static text on "lcd-like" frameMany properties can be set in "Property Editor" of Qt DesignerCustom widget plugin for Qt Designer

Alternative vertical QSliderMany properties can be set in "Property Editor" of Qt DesignerCustom widget plugin for Qt Designer

Combination lock with SHA1 encrypt codeThe code file is written in exec directoryCustom widget plugin for Qt Designer

Text frame with "reflex" effectMany properties can be set in "Property Editor" of Qt DesignerCustom widget plugin for Qt Designer

Can save time sheet on sql database or simple on file import / export.QDataStream Qt_4_2 run on linux and window.On Sheet can contain 10 year or more depend from year range setting ...line 375 from ( void Calendar::init() )CalendarStructure.cpp QDate now = QDate::currentDate();ActiveYear =...

Alternative Push Button with "gum" effectMany properties can be set in "Property Editor" of Qt DesignerCustom widget plugin for Qt Designer

QfMacNavBar is a Qt4 widget designed to be similar to Mac OS X 10.5 Sidebar used in Applications like Finder, Mail, ...