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Add new `QtInstanceBuilder` that derives from `weld::Builder` and is meant to use `weld::Widget` implementations using native Qt widgets. Override `SalInstance::CreateBuilder` in `QtInstance` to return an instance of the new `QtInstanceBuilder` for UI files that that one can handle/supports. As of now, `QtInstanceBuilder` doesn't yet implement what's needed, so `QtInstanceBuilder::IsUIFileSupported` currently still always returns `false`, meaning that `SalInstanceBuilder` is still always used in practice. The idea is to implement funcationality needed for a specific UI file/dialog in `QtInstanceBuilder`, then add it to the set of supported UI files in `QtInstanceBuilder::IsUIFileSupported`. This allows looking at one .ui file at a time and only having to implement what is relevant for that particular one, without having to implement the full weld API at once. The use of `QtInstanceBuilder` can completely be disabled by starting LO with environment variable `SAL_VCL_QT_NO_WELDED_WIDGETS` set. This commit is mostly extraced from Omkar Acharekar's WIP Gerrit change [1] (patch set 22) with some further adjustments by Michael Weghorn. Patch set 23 of that WIP Gerrit change demonstrates adding support for a dialog (the "Save Document?" one), but still needs more work. [1] https://gerrit.libreoffice.org/c/core/+/161831 Co-authored-by: Michael Weghorn <m.weghorn@posteo.de> Change-Id: If2d1ea30d43c2c1d84d64e577035489c8e158a7c Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173592 Tested-by: Jenkins Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
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#include "../qt5/QtInstanceBuilder.cxx" |