Chris Cortopassi

A seasoned engineer with 10+ years experience, Chris has expertise in desktop and embedded systems in larger, real-time multi-threaded applications, as well as experience using Qt-based software for complex projects within the motor control, telecommunications and civil engineering industries.

Creating QML Controls From Scratch: Implementing a ScrollBar

Thursday, July 20, 2017 - 00:30 • By Chris Cortopassi • QML, Qt, controls

In this installment you'll learn how to create a ScrollBar, which differs significantly from the other controls we've highlighted.

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Creating QML Controls From Scratch: Slider

Saturday, June 3, 2017 - 17:38 • By Chris Cortopassi • QML, Qt, controls

In part 4 of our series, we walk you through implementation of a slider. Take a look.

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Creating QML Controls From Scratch: Switch

Wednesday, April 12, 2017 - 13:50 • By Chris Cortopassi • QML, Qt, controls

In part 3 of our series, we're implementing a switch. Here's the walkthrough.

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Creating QML Controls From Scratch

Sunday, March 12, 2017 - 14:43 • By Chris Cortopassi • QML

Continuing our QML Controls from Scratch series, this time we'll implement a CheckBox.

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Creating QML Controls From Scratch

Monday, February 6, 2017 - 16:18 • By Chris Cortopassi • Qt, QML, controls

In this first installment of the QML Controls From Scratch series we'll create our first control: Button.

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Rendering PDF Content with XpdfWidget

Friday, December 12, 2014 - 15:21 • By Chris Cortopassi • Qt, QML, PDF

A consulting project I worked on recently needed to display an interactive PDF document in the style of Adobe Reader on a touchscreen device running embedded Linux using Qt and QML. I have been working with Qt for nearly ten years and had not come across this requirement before, so of course I turned to the Internet to see what was available and I came across this page, which lists all options available for dealing with PDF files from Qt.

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