60 lines
2 KiB
Haskell
60 lines
2 KiB
Haskell
{-# LANGUAGE ForeignFunctionInterface #-}
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module Phi.Bindings.Util ( setClassHint
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, visualIDFromVisual
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, putClientMessage
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, createXlibSurface
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) where
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <cairo.h>
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#include <cairo-xlib.h>
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import Foreign.C.String (withCString)
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import Foreign.C.Types
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import Foreign.Ptr
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import Foreign.Marshal.Alloc (alloca, allocaBytes)
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import Foreign.Marshal.Array
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import Foreign.Storable
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import Graphics.X11.Xlib
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import Graphics.X11.Xlib.Extras
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import Graphics.Rendering.Cairo.Types
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foreign import ccall unsafe "X11/Xutil.h XSetClassHint"
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xSetClassHint :: Display -> Window -> Ptr ClassHint -> IO ()
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setClassHint :: Display -> Window -> ClassHint -> IO ()
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setClassHint disp wnd hint = allocaBytes (#size XClassHint) $ \p ->
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withCString (resName hint) $ \res_name ->
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withCString (resClass hint) $ \res_class -> do
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(#poke XClassHint, res_name) p res_name
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(#poke XClassHint, res_class) p res_class
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xSetClassHint disp wnd p
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foreign import ccall unsafe "X11/Xlib.h XVisualIDFromVisual"
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visualIDFromVisual :: Visual -> VisualID
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putClientMessage :: XEventPtr -> Window -> Atom -> [CLong] -> IO ()
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putClientMessage event window message_type messageData = do
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setEventType event clientMessage
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(#poke XClientMessageEvent, window) event window
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(#poke XClientMessageEvent, message_type) event message_type
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(#poke XClientMessageEvent, format) event (32 :: CInt)
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pokeArray ((#ptr XClientMessageEvent, data.l) event) $ take 5 messageData
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foreign import ccall unsafe "cairo-xlib.h cairo_xlib_surface_create"
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xlibSurfaceCreate :: Display -> Drawable -> Visual -> CInt -> CInt -> IO (Ptr Surface)
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createXlibSurface :: Display -> Drawable -> Visual -> CInt -> CInt -> IO Surface
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createXlibSurface dpy drawable visual width height = do
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surfacePtr <- xlibSurfaceCreate dpy drawable visual width height
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surface <- mkSurface surfacePtr
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manageSurface surface
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return surface
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