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Qt5 module

The Qt5 module provides tools to automatically deal with the various tools and steps required for Qt. The module has two methods.

preprocess

This method takes the following keyword arguments:

  • moc_headers, moc_sources, ui_files, qresources, which define the files that require preprocessing with moc, uic and rcc
  • include_directories, the directories to add to header search path for moc (optional)
  • moc_extra_arguments, any additional arguments to moc (optional). Available since v0.44.0.

It returns an opaque object that should be passed to a main build target.

compile_translations (since v0.44.0)

This method generates the necessary targets to build translation files with lrelease, it takes the following keyword arguments:

  • ts_files, the list of input translation files produced by Qt's lupdate tool.
  • install when true, this target is installed during the install step (optional).
  • install_dir directory to install to (optional).
  • build_by_default when set to true, to have this target be built by default, that is, when invoking plain ninja; the default value is false (optional).

A simple example would look like this:

qt5 = import('qt5')
qt5_dep = dependency('qt5', modules: ['Core', 'Gui'])
inc = include_directories('includes')
moc_files = qt5.preprocess(moc_headers : 'myclass.h',
                           moc_extra_arguments: ['-DMAKES_MY_MOC_HEADER_COMPILE'],
                           include_directories: inc)
translations = qt5.compile_translations(ts_files : 'myTranslation_fr.ts', build_by_default : true)
executable('myprog', 'main.cpp', 'myclass.cpp', moc_files,
           include_directories: inc,
           dependencies : qt5_dep)

The 'modules' argument is used to include Qt modules in the project. See the Qt documentation for the list of modules.