Consistent Barcode Scanning Experience

Not to be outdone, the Barcode scanning experience on Windows has been brought up to par with other platforms, now including support for video mirroring in the scanning window. Also, if you were seeing a “squished” video before, we’ve now added support for a wider range of video devices and aspect ratios.

DesktopHTMLViewer Improvements

Thanks to some feedback we received, the DesktopHTMLViewer now supports raising the FocusReceived, FocusLost, KeyDown, and KeyUp events.

While DesktopHTMLViewer.Print works well, there are times you might want to go straight to PDF. If you’d rather skip the default print prompts, you can now use the new DesktopHTMLViewer.PrintToPDF(file As FolderItem) method to print HTML content directly to a PDF file. Just pass in the destination file and everything else works just like the regular Print method, including the PrintComplete event firing on success.

We’re always working to make Xojo better, and your feedback plays a big part in that. So from all of us here at Xojo—thank you! We truly appreciate your input as we continue to improve the product for you and everyone who uses it.

William Yu grew up in Canada learning to program BASIC on a Vic-20. He is Xojo’s resident Windows and Linux engineer, among his many other skills. Some may say he has joined the dark side here in the USA, but he will always be a Canadian at heart.

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If you’re encountering display anomalies with the DesktopHTMLViewer on a Pi 5 running Bookworm OS, rest assured you’re not alone. This issue stems from the version of WebKitGTK the DesktopHTMLViewer relies on. While efforts to address this persist, a viable workaround exists: disabling hardware acceleration when utilizing WebKitGTK. Fortunately, in Xojo, we’ve facilitated this by exposing an environment variable. You can conveniently set this variable before the creation of the DesktopHTMLViewer, such as within your App.Opening event.

To turn hardware acceleration OFF, you can assign that to the WEBKIT_HARDWARE_ACCELERATION environment variable:

System.EnvironmentVariable("WEBKIT_HARDWARE_ACCELERATION") = "OFF"

By default, hardware acceleration is enabled/disabled as requested by web contents, but you can also force hardware acceleration to be enabled even for websites not requesting it:

System.EnvironmentVariable("WEBKIT_HARDWARE_ACCELERATION") = "ON"

To revert it to its default state, simply assign any value other than ON/OFF. While we remain optimistic that this issue will be resolved at some point, in the interim, this environment variable stands ready to function as a temporary solution.

William Yu grew up in Canada learning to program BASIC on a Vic-20. He is Xojo’s resident Windows and Linux engineer, among his many other skills. Some may say he has joined the dark side here in the USA, but he will always be a Canadian at heart.

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• LinkedIn
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