[Interest] Which "Widget" technology to use when starting a new desktop app
imikejackson at gmail.com
Thu Jan 5 22:58:00 CET 2017
André Pönitz wrote:
> On Thu, Jan 05, 2017 at 04:03:56PM +0100, Jason H wrote:
>>> After watching the webinar "The Curse of Choice: An overview of GUI
>>> technologies in Qt?" I am even more confused as to what to use for
>>> our new desktop app. Here are a few of the background details. The app
>>> will be cross platform to desktop systems, not embedded at all. The app
>>> will be displaying some "image" data from hdf5 files and performing some
>>> "real" time basic image manipulations (gamma corrections, coloring of
>>> data) on that data. The app will eventually call out to some existing
>>> libraries to perform some long running analysis/simulations. We are
>>> currently using Qt 5.6.2 due to its long term maintenance guarantees.
>>> In the past I have used QGraphics* classes to show images and perform
>>> basic zoom, save, compositing functions but the webinar makes it pretty
>>> clear NOT to use those classes any more. The webinar seems to push QML
>>> and the Qt Quick classes as the way forward for desktop apps. One of the
>>> issues that we might have with QML is the need to apply styling to those
>>> widgets, none of us are UX/Styling experts by any stretch of the
>>> imagination. I took a look at QOpenGLWidget to display/manipulate the
>>> images so that we get an accelerated canvas to use. That looked
>>> promising in combination with traditional QWidgets.
>>> I would like to hear other peoples experiences& suggestions as to what
>>> they are doing. I don't want to write the app and then have to figure
>>> out how to port it to another Qt technology in a year or so after our
>>> funding has run out.
>> The mantra is to use QML.
> Definitely not true for the kind aof applications the OP describes.
After reviewing the responses and doing some more research online we
decided to stick with the traditional QWidgets for our desktop app but
get away from the QGraphics* classes and replace that older code with
code based on QOpenGlWidget so we can get accelerated 2D rendering.
Thanks all for your responses and suggestions.
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