Hello,
I've just created a separate qt5compat folder inside of directory with
my QML code.
Let's suppose I need to use RectangularGlow component. For this I've
created 3 files:
1. qt5compat/RectangularGlow.qml with the following contents:
import QtQuick 2.0
import "./qt5"
import "./qt6"
RectangularGlow
{
}
2. qt5compat/qt5/RectangularGlow.qml with the following contents:
import QtQuick 2.0
import QtGraphicalEffects 1.0
RectangularGlow
{
}
This file should be included into resource only when compiling using Qt5.
3. qt5compat/qt6/RectangularGlow.qml with the following contents:
import QtQuick 2.0
import Qt5Compat.GraphicalEffects
RectangularGlow
{
}
This file should be included into resource only when compiling using Qt6.
Now, all I need to use RectangularGlow in my QML code is to import my
custom component:
import "./qt5compat"
How to conditionally include resources: I've just created 2 separate
files for this my simple qt5compat "library": qmlqt5compat_qt5.qrc and
qmlqt5compat_qt6.qrc. Then, in my .pro file:
greaterThan(QT_MAJOR_VERSION, 5):RESOURCES += qmlqt5compat_qt6.qrc
lessThan(QT_MAJOR_VERSION, 6):RESOURCES += qmlqt5compat_qt5.qrc
Hope this helps :)
On 4/25/2022 10:41 AM, Александр Иваш wrote:
I need to migrate a Qt 5 application with QML ui to Qt 6 without
losing Qt 5 support. What is the best approach here? Version-specific
resources? File selectors (by the way is it even possible to select
QML files based on the Qt version?) I mean it is clear that
platform-specific code/imports needs to be wrapped into
platform-specific components, but what is the best way to select the
right component?
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