mirror of
https://github.com/janet-lang/janet
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57 lines
1.3 KiB
Plaintext
57 lines
1.3 KiB
Plaintext
# :lazy true needed for jpm quickbin
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# lazily loads library on first function use
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# so the `main` function
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# can be marshalled.
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(ffi/context "/usr/lib/libgtk-3.so" :lazy true)
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(ffi/defbind
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gtk-application-new :ptr
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"Add docstrings as needed."
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[a :ptr b :uint])
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(ffi/defbind
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g-signal-connect-data :ulong
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[a :ptr b :ptr c :ptr d :ptr e :ptr f :int])
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(ffi/defbind
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g-application-run :int
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[a :ptr b :int c :ptr])
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(ffi/defbind
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gtk-application-window-new :ptr
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[a :ptr])
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(ffi/defbind
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gtk-button-new-with-label :ptr
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[a :ptr])
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(ffi/defbind
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gtk-container-add :void
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[a :ptr b :ptr])
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(ffi/defbind
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gtk-widget-show-all :void
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[a :ptr])
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(ffi/defbind
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gtk-button-set-label :void
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[a :ptr b :ptr])
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(def cb (delay (ffi/trampoline :default)))
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(defn on-active
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[app]
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(def window (gtk-application-window-new app))
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(def btn (gtk-button-new-with-label "Click Me!"))
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(g-signal-connect-data btn "clicked" (cb)
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(fn [btn] (gtk-button-set-label btn "Hello World"))
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nil 1)
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(gtk-container-add window btn)
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(gtk-widget-show-all window))
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(defn main
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[&]
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(def app (gtk-application-new "org.janet-lang.example.HelloApp" 0))
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(g-signal-connect-data app "activate" (cb) on-active nil 1)
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(g-application-run app 0 nil))
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