80 lines
1.9 KiB
Factor
80 lines
1.9 KiB
Factor
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! Copyright (C) 2005, 2006 Eduardo Cavazos and Slava Pestov
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! See http://factorcode.org/license.txt for BSD license.
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IN: x11
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USING: alien arrays errors kernel namespaces sequences ;
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SYMBOL: dpy
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SYMBOL: scr
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SYMBOL: root
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SYMBOL: black-pixel
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SYMBOL: white-pixel
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! Initialization
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: initialize-x ( display-string -- )
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XOpenDisplay [ "Cannot connect to X server" throw ] unless*
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dpy set
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dpy get XDefaultScreen scr set
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dpy get scr get XRootWindow root set
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dpy get scr get XBlackPixel black-pixel set
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dpy get scr get XWhitePixel white-pixel set ;
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! Window management
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: create-window ( dim -- win )
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>r dpy get root get 0 0 r> first2
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0 black-pixel get white-pixel get
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XCreateSimpleWindow ;
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: destroy-window ( win -- )
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dpy get swap XDestroyWindow drop ;
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: map-window ( win -- )
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dpy get swap XMapWindow drop ;
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: map-subwindows ( win -- )
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dpy get swap XMapSubwindows drop ;
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: unmap-window ( win -- )
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dpy get swap XUnmapWindow drop ;
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: unmap-subwindows ( win -- )
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dpy get swap XUnmapSubwindows drop ;
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! Event handling
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: select-input ( win mask -- )
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>r dpy get swap r> XSelectInput drop ;
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: flush-dpy ( -- ) dpy get XFlush drop ;
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: sync-dpy ( discard -- ) >r dpy get r> XSync ;
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: next-event ( -- event )
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dpy get "XEvent" <c-object> dup >r XNextEvent drop r> ;
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: mask-event ( mask -- event )
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>r dpy get r> "XEvent" <c-object> dup >r XMaskEvent drop r> ;
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: events-queued ( mode -- n ) >r dpy get r> XEventsQueued ;
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! GLX
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: >int-array ( seq -- <int-array> )
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[ length "int" <c-array> ] keep dup length
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[ pick set-int-nth ] 2each ;
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: choose-visual ( -- XVisualInfo* )
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dpy get scr get
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GLX_RGBA GLX_DOUBLEBUFFER 0 3array >int-array
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glXChooseVisual ;
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: create-context ( XVisualInfo* -- GLXContext )
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>r dpy get r> f 1 glXCreateContext ;
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: make-current ( win GLXContext -- )
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>r dpy get swap r> glXMakeCurrent drop ;
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: swap-buffers ( win -- )
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dpy get swap glXSwapBuffers ;
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