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bc3b39bde3
Add a project argument (LIBINPUT_HAS_SCROLL_VALUE120) to allow building against old versions of libinput or, where high-resolution scroll is available, support it.
40 lines
849 B
Meson
40 lines
849 B
Meson
msg = ['Required for libinput backend support.']
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if 'libinput' in backends
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msg += 'Install "libinput" or disable the libinput backend.'
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endif
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libinput = dependency(
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'libinput',
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version: '>=1.14.0',
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required: 'libinput' in backends,
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not_found_message: '\n'.join(msg),
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)
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if not libinput.found()
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subdir_done()
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endif
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wlr_files += files(
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'backend.c',
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'events.c',
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'keyboard.c',
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'pointer.c',
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'switch.c',
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'tablet_pad.c',
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'tablet_tool.c',
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'touch.c',
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)
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features += { 'libinput-backend': true }
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wlr_deps += libinput
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# Check whether libinput supports high-resolution scroll or not
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libinput_supports_scroll_value120 = cc.has_function(
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'libinput_event_pointer_get_scroll_value_v120',
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dependencies: libinput,
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)
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add_project_arguments(
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'-DLIBINPUT_HAS_SCROLL_VALUE120=@0@'.format(libinput_supports_scroll_value120.to_int()),
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language: 'c',
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)
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