816 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Factor
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			816 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Factor
		
	
	
		
			Executable File
		
	
! Copyright (C) 2005, 2006 Doug Coleman.
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! Portions copyright (C) 2007, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien alien.c-types alien.strings arrays assocs ui ui.private
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ui.gadgets ui.gadgets.private ui.backend ui.clipboards
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ui.gadgets.worlds ui.gestures ui.event-loop io kernel math
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math.vectors namespaces make sequences strings vectors words
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windows.kernel32 windows.gdi32 windows.user32 windows.opengl32
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windows.messages windows.types windows.offscreen windows.nt
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threads libc combinators fry combinators.short-circuit continuations
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command-line shuffle opengl ui.render math.bitwise locals
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accessors math.rectangles math.order calendar ascii sets
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io.encodings.utf16n windows.errors literals ui.pixel-formats 
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ui.pixel-formats.private memoize classes struct-arrays ;
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IN: ui.backend.windows
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SINGLETON: windows-ui-backend
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TUPLE: win-base hDC hRC ;
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TUPLE: win < win-base hWnd world title ;
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TUPLE: win-offscreen < win-base hBitmap bits ;
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C: <win> win
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C: <win-offscreen> win-offscreen
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<PRIVATE
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PIXEL-FORMAT-ATTRIBUTE-TABLE: WGL_ARB { $ WGL_SUPPORT_OPENGL_ARB 1 } H{
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    { double-buffered { $ WGL_DOUBLE_BUFFER_ARB 1 } }
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    { stereo { $ WGL_STEREO_ARB 1 } }
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    { offscreen { $ WGL_DRAW_TO_BITMAP_ARB 1 } }
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    { fullscreen { $ WGL_DRAW_TO_WINDOW_ARB 1 } }
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    { windowed { $ WGL_DRAW_TO_WINDOW_ARB 1 } }
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    { accelerated { $ WGL_ACCELERATION_ARB $ WGL_FULL_ACCELERATION_ARB } }
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    { software-rendered { $ WGL_ACCELERATION_ARB $ WGL_NO_ACCELERATION_ARB } }
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    { backing-store { $ WGL_SWAP_METHOD_ARB $ WGL_SWAP_COPY_ARB } }
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    { color-float { $ WGL_TYPE_RGBA_FLOAT_ARB 1 } }
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    { color-bits { $ WGL_COLOR_BITS_ARB } }
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    { red-bits { $ WGL_RED_BITS_ARB } }
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    { green-bits { $ WGL_GREEN_BITS_ARB } }
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    { blue-bits { $ WGL_BLUE_BITS_ARB } }
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    { alpha-bits { $ WGL_ALPHA_BITS_ARB } }
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    { accum-bits { $ WGL_ACCUM_BITS_ARB } }
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    { accum-red-bits { $ WGL_ACCUM_RED_BITS_ARB } }
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    { accum-green-bits { $ WGL_ACCUM_GREEN_BITS_ARB } }
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    { accum-blue-bits { $ WGL_ACCUM_BLUE_BITS_ARB } }
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    { accum-alpha-bits { $ WGL_ACCUM_ALPHA_BITS_ARB } }
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    { depth-bits { $ WGL_DEPTH_BITS_ARB } }
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    { stencil-bits { $ WGL_STENCIL_BITS_ARB } }
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    { aux-buffers { $ WGL_AUX_BUFFERS_ARB } }
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    { sample-buffers { $ WGL_SAMPLE_BUFFERS_ARB } }
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    { samples { $ WGL_SAMPLES_ARB } }
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}
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: has-wglChoosePixelFormatARB? ( world -- ? )
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    drop f ;
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: arb-make-pixel-format ( world attributes -- pf )
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    [ handle>> hDC>> ] dip >WGL_ARB-int-array f 1 0 <int> 0 <int>
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    [ wglChoosePixelFormatARB win32-error=0/f ] 2keep drop *int ;
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: arb-pixel-format-attribute ( pixel-format attribute -- value )
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    >WGL_ARB
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    [ drop f ] [
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        [ [ world>> handle>> hDC>> ] [ handle>> ] bi 0 1 ] dip
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        first <int> 0 <int>
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        [ wglGetPixelFormatAttribivARB win32-error=0/f ]
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        keep *int
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    ] if-empty ;
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CONSTANT: pfd-flag-map H{
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    { double-buffered $ PFD_DOUBLEBUFFER }
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    { stereo $ PFD_STEREO }
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    { offscreen $ PFD_DRAW_TO_BITMAP }
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    { fullscreen $ PFD_DRAW_TO_WINDOW }
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    { windowed $ PFD_DRAW_TO_WINDOW }
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    { backing-store $ PFD_SWAP_COPY }
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    { software-rendered $ PFD_GENERIC_FORMAT }
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}
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: >pfd-flag ( attribute -- value )
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    pfd-flag-map at [ ] [ 0 ] if* ;
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: >pfd-flags ( attributes -- flags )
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    [ >pfd-flag ] [ bitor ] map-reduce
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    PFD_SUPPORT_OPENGL bitor ;
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: attr-value ( attributes name -- value )
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    [ instance? ] curry find nip
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    [ value>> ] [ 0 ] if* ;
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: >pfd ( attributes -- pfd )
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    "PIXELFORMATDESCRIPTOR" <c-object>
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    "PIXELFORMATDESCRIPTOR" heap-size over set-PIXELFORMATDESCRIPTOR-nSize
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    1 over set-PIXELFORMATDESCRIPTOR-nVersion
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    over >pfd-flags over set-PIXELFORMATDESCRIPTOR-dwFlags
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    PFD_TYPE_RGBA over set-PIXELFORMATDESCRIPTOR-iPixelType
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    over color-bits attr-value over set-PIXELFORMATDESCRIPTOR-cColorBits
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    over red-bits attr-value over set-PIXELFORMATDESCRIPTOR-cRedBits
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    over green-bits attr-value over set-PIXELFORMATDESCRIPTOR-cGreenBits
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    over blue-bits attr-value over set-PIXELFORMATDESCRIPTOR-cBlueBits
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    over alpha-bits attr-value over set-PIXELFORMATDESCRIPTOR-cAlphaBits
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    over accum-bits attr-value over set-PIXELFORMATDESCRIPTOR-cAccumBits
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    over accum-red-bits attr-value over set-PIXELFORMATDESCRIPTOR-cAccumRedBits
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    over accum-green-bits attr-value over set-PIXELFORMATDESCRIPTOR-cAccumGreenBits
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    over accum-blue-bits attr-value over set-PIXELFORMATDESCRIPTOR-cAccumBlueBits
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    over accum-alpha-bits attr-value over set-PIXELFORMATDESCRIPTOR-cAccumAlphaBits
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    over depth-bits attr-value over set-PIXELFORMATDESCRIPTOR-cDepthBits
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    over stencil-bits attr-value over set-PIXELFORMATDESCRIPTOR-cStencilBits
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    over aux-buffers attr-value over set-PIXELFORMATDESCRIPTOR-cAuxBuffers
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    PFD_MAIN_PLANE over set-PIXELFORMATDESCRIPTOR-dwLayerMask
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    nip ;
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: pfd-make-pixel-format ( world attributes -- pf )
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    [ handle>> hDC>> ] [ >pfd ] bi*
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    ChoosePixelFormat dup win32-error=0/f ;
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: get-pfd ( pixel-format -- pfd )
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    [ world>> handle>> hDC>> ] [ handle>> ] bi
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    "PIXELFORMATDESCRIPTOR" heap-size
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    "PIXELFORMATDESCRIPTOR" <c-object>
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    [ DescribePixelFormat win32-error=0/f ] keep ;
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: pfd-flag? ( pfd flag -- ? )
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    [ PIXELFORMATDESCRIPTOR-dwFlags ] dip bitand c-bool> ;
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: (pfd-pixel-format-attribute) ( pfd attribute -- value )
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    {
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        { double-buffered [ PFD_DOUBLEBUFFER pfd-flag? ] }
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        { stereo [ PFD_STEREO pfd-flag? ] }
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        { offscreen [ PFD_DRAW_TO_BITMAP pfd-flag? ] }
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        { fullscreen [ PFD_DRAW_TO_WINDOW pfd-flag? ] }
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        { windowed [ PFD_DRAW_TO_WINDOW pfd-flag? ] }
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        { software-rendered [ PFD_GENERIC_FORMAT pfd-flag? ] }
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        { color-bits [ PIXELFORMATDESCRIPTOR-cColorBits ] }
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        { red-bits [ PIXELFORMATDESCRIPTOR-cRedBits ] }
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        { green-bits [ PIXELFORMATDESCRIPTOR-cGreenBits ] }
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        { blue-bits [ PIXELFORMATDESCRIPTOR-cBlueBits ] }
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        { alpha-bits [ PIXELFORMATDESCRIPTOR-cAlphaBits ] }
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        { accum-bits [ PIXELFORMATDESCRIPTOR-cAccumBits ] }
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        { accum-red-bits [ PIXELFORMATDESCRIPTOR-cAccumRedBits ] }
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        { accum-green-bits [ PIXELFORMATDESCRIPTOR-cAccumGreenBits ] }
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        { accum-blue-bits [ PIXELFORMATDESCRIPTOR-cAccumBlueBits ] }
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        { accum-alpha-bits [ PIXELFORMATDESCRIPTOR-cAccumAlphaBits ] }
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        { depth-bits [ PIXELFORMATDESCRIPTOR-cDepthBits ] }
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        { stencil-bits [ PIXELFORMATDESCRIPTOR-cStencilBits ] }
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        { aux-buffers [ PIXELFORMATDESCRIPTOR-cAuxBuffers ] }
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        [ 2drop f ]
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    } case ;
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: pfd-pixel-format-attribute ( pixel-format attribute -- value )
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    [ get-pfd ] dip (pfd-pixel-format-attribute) ;
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M: windows-ui-backend (make-pixel-format)
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    over has-wglChoosePixelFormatARB?
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    [ arb-make-pixel-format ] [ pfd-make-pixel-format ] if ;
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M: windows-ui-backend (free-pixel-format)
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    drop ;
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M: windows-ui-backend (pixel-format-attribute)
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    over world>> has-wglChoosePixelFormatARB?
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    [ arb-pixel-format-attribute ] [ pfd-pixel-format-attribute ] if ;
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PRIVATE>
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: lo-word ( wparam -- lo ) <short> *short ; inline
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: hi-word ( wparam -- hi ) -16 shift lo-word ; inline
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: >lo-hi ( WORD -- array ) [ lo-word ] [ hi-word ] bi 2array ;
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: crlf>lf ( str -- str' )
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    CHAR: \r swap remove ;
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: lf>crlf ( str -- str' )
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    [ [ dup CHAR: \n = [ CHAR: \r , ] when , ] each ] "" make ;
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: enum-clipboard ( -- seq )
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    0
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    [ EnumClipboardFormats win32-error dup dup 0 > ]
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    [ ]
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    produce 2nip ;
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: with-clipboard ( quot -- )
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    f OpenClipboard win32-error=0/f
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    call
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    CloseClipboard win32-error=0/f ; inline
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: paste ( -- str )
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    [
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        CF_UNICODETEXT IsClipboardFormatAvailable zero? [
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            ! nothing to paste
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            ""
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        ] [
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            CF_UNICODETEXT GetClipboardData dup win32-error=0/f
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            dup GlobalLock dup win32-error=0/f
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            GlobalUnlock win32-error=0/f
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            utf16n alien>string
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        ] if
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    ] with-clipboard
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    crlf>lf ;
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: copy ( str -- )
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    lf>crlf [
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        utf16n string>alien
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        EmptyClipboard win32-error=0/f
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        GMEM_MOVEABLE over length 1 + GlobalAlloc
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            dup win32-error=0/f
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        dup GlobalLock dup win32-error=0/f
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        swapd byte-array>memory
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        dup GlobalUnlock win32-error=0/f
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        CF_UNICODETEXT swap SetClipboardData win32-error=0/f
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    ] with-clipboard ;
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TUPLE: pasteboard ;
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C: <pasteboard> pasteboard
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M: pasteboard clipboard-contents drop paste ;
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M: pasteboard set-clipboard-contents drop copy ;
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: init-clipboard ( -- )
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    <pasteboard> clipboard set-global
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    <clipboard> selection set-global ;
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SYMBOLS: msg-obj class-name-ptr mouse-captured ;
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CONSTANT: window-control>style
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    H{
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        { close-button 0 }
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        { minimize-button $ WS_MINIMIZEBOX }
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        { maximize-button $ WS_MAXIMIZEBOX }
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        { resize-handles $ WS_THICKFRAME }
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        { small-title-bar $ WS_CAPTION }
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        { normal-title-bar $ WS_CAPTION }
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    }
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CONSTANT: window-control>ex-style
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    H{
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        { close-button 0 }
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        { minimize-button 0 }
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        { maximize-button 0 }
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        { resize-handles $ WS_EX_WINDOWEDGE }
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        { small-title-bar $ WS_EX_TOOLWINDOW }
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        { normal-title-bar $ WS_EX_APPWINDOW }
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    }
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: needs-sysmenu? ( controls -- ? )
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    { close-button minimize-button maximize-button } intersects? ;
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: has-titlebar? ( controls -- ? )
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    { small-title-bar normal-title-bar } intersects? ;
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: world>style ( world -- n )
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    window-controls>>
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    [ window-control>style symbols>flags ]
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    [ needs-sysmenu? [ WS_SYSMENU bitor ] when ]
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    [ has-titlebar? [ WS_POPUP bitor ] unless ] tri ;
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: world>ex-style ( world -- n )
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    window-controls>> window-control>ex-style symbols>flags ;
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: get-RECT-top-left ( RECT -- x y )
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    [ RECT-left ] keep RECT-top ;
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: get-RECT-dimensions ( RECT -- x y width height )
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    [ get-RECT-top-left ] keep
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    [ RECT-right ] keep [ RECT-left - ] keep
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    [ RECT-bottom ] keep RECT-top - ;
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: handle-wm-paint ( hWnd uMsg wParam lParam -- )
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    #! wParam and lParam are unused
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    #! only paint if width/height both > 0
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    3drop window relayout-1 yield ;
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: handle-wm-size ( hWnd uMsg wParam lParam -- )
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    2nip
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    [ lo-word ] keep hi-word 2array
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    dup { 0 0 } = [ 2drop ] [ swap window [ (>>dim) ] [ drop ] if* ] if ;
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: handle-wm-move ( hWnd uMsg wParam lParam -- )
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    2nip
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    [ lo-word ] keep hi-word 2array
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    swap window [ (>>window-loc) ] [ drop ] if* ;
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CONSTANT: wm-keydown-codes
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    H{
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        { 8 "BACKSPACE" }
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        { 9 "TAB" }
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        { 13 "RET" }
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        { 27 "ESC" }
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        { 33 "PAGE_UP" }
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        { 34 "PAGE_DOWN" }
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        { 35 "END" }
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        { 36 "HOME" }
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        { 37 "LEFT" }
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        { 38 "UP" }
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        { 39 "RIGHT" }
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        { 40 "DOWN" }
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        { 45 "INSERT" }
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        { 46 "DELETE" }
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        { 112 "F1" }
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        { 113 "F2" }
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        { 114 "F3" }
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        { 115 "F4" }
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        { 116 "F5" }
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        { 117 "F6" }
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        { 118 "F7" }
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        { 119 "F8" }
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        { 120 "F9" }
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        { 121 "F10" }
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        { 122 "F11" }
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        { 123 "F12" }
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    }
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: key-state-down? ( key -- ? )
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    GetKeyState 16 bit? ;
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: left-shift? ( -- ? ) VK_LSHIFT key-state-down? ;
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: left-ctrl? ( -- ? ) VK_LCONTROL key-state-down? ;
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: left-alt? ( -- ? ) VK_LMENU key-state-down? ;
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: right-shift? ( -- ? ) VK_RSHIFT key-state-down? ;
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: right-ctrl? ( -- ? ) VK_RCONTROL key-state-down? ;
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: right-alt? ( -- ? ) VK_RMENU key-state-down? ;
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: shift? ( -- ? ) left-shift? right-shift? or ;
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: ctrl? ( -- ? ) left-ctrl? right-ctrl? or ;
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: alt? ( -- ? ) left-alt? right-alt? or ;
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: caps-lock? ( -- ? ) VK_CAPITAL GetKeyState zero? not ;
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: key-modifiers ( -- seq )
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    [
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        shift? [ S+ , ] when
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        ctrl? [ C+ , ] when
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        alt? [ A+ , ] when
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    ] { } make [ empty? not ] keep f ? ;
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CONSTANT: exclude-keys-wm-keydown
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    H{
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        { 16 "SHIFT" }
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        { 17 "CTRL" }
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        { 18 "ALT" }
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        { 20 "CAPS-LOCK" }
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    }
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! Values are ignored
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CONSTANT: exclude-keys-wm-char
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    H{
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        { 8 "BACKSPACE" }
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        { 9 "TAB" }
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        { 13 "RET" }
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        { 27 "ESC" }
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    }
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: exclude-key-wm-keydown? ( n -- ? )
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    exclude-keys-wm-keydown key? ;
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: exclude-key-wm-char? ( n -- ? )
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    exclude-keys-wm-char key? ;
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: keystroke>gesture ( n -- mods sym )
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    wm-keydown-codes at* [ key-modifiers swap ] [ drop f f ] if ;
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: send-key-gesture ( sym action? quot hWnd -- )
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    [ [ key-modifiers ] 3dip call ] dip
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    window propagate-key-gesture ; inline
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: send-key-down ( sym action? hWnd -- )
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    [ [ <key-down> ] ] dip send-key-gesture ;
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: send-key-up ( sym action? hWnd -- )
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    [ [ <key-up> ] ] dip send-key-gesture ;
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: key-sym ( wParam -- string/f action? )
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    {
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        {
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            [ dup LETTER? ]
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            [ shift? caps-lock? xor [ CHAR: a + CHAR: A - ] unless 1string f ]
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        }
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        { [ dup digit? ] [ 1string f ] }
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        [ wm-keydown-codes at t ]
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    } cond ;
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:: handle-wm-keydown ( hWnd uMsg wParam lParam -- )
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    wParam exclude-key-wm-keydown? [
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        wParam key-sym over [
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            dup ctrl? alt? xor or [
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                hWnd send-key-down
 | 
						|
            ] [ 2drop ] if
 | 
						|
        ] [ 2drop ] if
 | 
						|
    ] unless ;
 | 
						|
 | 
						|
:: handle-wm-char ( hWnd uMsg wParam lParam -- )
 | 
						|
    wParam exclude-key-wm-char? [
 | 
						|
        ctrl? alt? xor [
 | 
						|
            wParam 1string
 | 
						|
            [ f hWnd send-key-down ]
 | 
						|
            [ hWnd window user-input ] bi
 | 
						|
        ] unless
 | 
						|
    ] unless ;
 | 
						|
 | 
						|
:: handle-wm-keyup ( hWnd uMsg wParam lParam -- )
 | 
						|
    wParam exclude-key-wm-keydown? [
 | 
						|
        wParam key-sym over [
 | 
						|
            hWnd send-key-up
 | 
						|
        ] [ 2drop ] if
 | 
						|
    ] unless ;
 | 
						|
 | 
						|
:: set-window-active ( hwnd uMsg wParam lParam ? -- n )
 | 
						|
    ? hwnd window (>>active?)
 | 
						|
    hwnd uMsg wParam lParam DefWindowProc ;
 | 
						|
 | 
						|
: handle-wm-syscommand ( hWnd uMsg wParam lParam -- n )
 | 
						|
    {
 | 
						|
        { [ over SC_MINIMIZE = ] [ f set-window-active ] }
 | 
						|
        { [ over SC_RESTORE = ] [ t set-window-active ] }
 | 
						|
        { [ over SC_MAXIMIZE = ] [ t set-window-active ] }
 | 
						|
        { [ dup alpha? ] [ 4drop 0 ] }
 | 
						|
        { [ t ] [ DefWindowProc ] }
 | 
						|
    } cond ;
 | 
						|
 | 
						|
: cleanup-window ( handle -- )
 | 
						|
    dup title>> [ free ] when*
 | 
						|
    dup hRC>> wglDeleteContext win32-error=0/f
 | 
						|
    dup hWnd>> swap hDC>> ReleaseDC win32-error=0/f ;
 | 
						|
 | 
						|
M: windows-ui-backend (close-window)
 | 
						|
    dup hWnd>> unregister-window
 | 
						|
    dup cleanup-window
 | 
						|
    hWnd>> DestroyWindow win32-error=0/f ;
 | 
						|
 | 
						|
: handle-wm-close ( hWnd uMsg wParam lParam -- )
 | 
						|
    3drop window ungraft ;
 | 
						|
 | 
						|
: handle-wm-set-focus ( hWnd uMsg wParam lParam -- )
 | 
						|
    3drop window [ focus-world ] when* ;
 | 
						|
 | 
						|
: handle-wm-kill-focus ( hWnd uMsg wParam lParam -- )
 | 
						|
    3drop window [ unfocus-world ] when* ;
 | 
						|
 | 
						|
: message>button ( uMsg -- button down? )
 | 
						|
    {
 | 
						|
        { WM_LBUTTONDOWN   [ 1 t ] }
 | 
						|
        { WM_LBUTTONUP     [ 1 f ] }
 | 
						|
        { WM_MBUTTONDOWN   [ 2 t ] }
 | 
						|
        { WM_MBUTTONUP     [ 2 f ] }
 | 
						|
        { WM_RBUTTONDOWN   [ 3 t ] }
 | 
						|
        { WM_RBUTTONUP     [ 3 f ] }
 | 
						|
 | 
						|
        { WM_NCLBUTTONDOWN [ 1 t ] }
 | 
						|
        { WM_NCLBUTTONUP   [ 1 f ] }
 | 
						|
        { WM_NCMBUTTONDOWN [ 2 t ] }
 | 
						|
        { WM_NCMBUTTONUP   [ 2 f ] }
 | 
						|
        { WM_NCRBUTTONDOWN [ 3 t ] }
 | 
						|
        { WM_NCRBUTTONUP   [ 3 f ] }
 | 
						|
    } case ;
 | 
						|
 | 
						|
! If the user clicks in the window border ("non-client area")
 | 
						|
! Windows sends us an NC[LMR]BUTTONDOWN message; but if the
 | 
						|
! mouse is subsequently released outside the NC area, we receive
 | 
						|
! a [LMR]BUTTONUP message and Factor can get confused. So we
 | 
						|
! ignore BUTTONUP's that are a result of an NC*BUTTONDOWN.
 | 
						|
SYMBOL: nc-buttons
 | 
						|
 | 
						|
: handle-wm-ncbutton ( hWnd uMsg wParam lParam -- )
 | 
						|
    2drop nip
 | 
						|
    message>button nc-buttons get
 | 
						|
    swap [ push ] [ delete ] if ;
 | 
						|
 | 
						|
: mouse-wheel ( wParam -- array ) >lo-hi [ sgn neg ] map ;
 | 
						|
 | 
						|
: mouse-event>gesture ( uMsg -- button )
 | 
						|
    key-modifiers swap message>button
 | 
						|
    [ <button-down> ] [ <button-up> ] if ;
 | 
						|
 | 
						|
:: prepare-mouse ( hWnd uMsg wParam lParam -- button coordinate world )
 | 
						|
    uMsg mouse-event>gesture
 | 
						|
    lParam >lo-hi
 | 
						|
    hWnd window ;
 | 
						|
 | 
						|
: set-capture ( hwnd -- )
 | 
						|
    mouse-captured get [
 | 
						|
        drop
 | 
						|
    ] [
 | 
						|
        [ SetCapture drop ] keep
 | 
						|
        mouse-captured set
 | 
						|
    ] if ;
 | 
						|
 | 
						|
: release-capture ( -- )
 | 
						|
    ReleaseCapture win32-error=0/f
 | 
						|
    mouse-captured off ;
 | 
						|
 | 
						|
: handle-wm-buttondown ( hWnd uMsg wParam lParam -- )
 | 
						|
    [
 | 
						|
        over set-capture
 | 
						|
        dup message>button drop nc-buttons get delete
 | 
						|
    ] 2dip prepare-mouse send-button-down ;
 | 
						|
 | 
						|
: handle-wm-buttonup ( hWnd uMsg wParam lParam -- )
 | 
						|
    mouse-captured get [ release-capture ] when
 | 
						|
    pick message>button drop dup nc-buttons get member? [
 | 
						|
        nc-buttons get delete 4drop
 | 
						|
    ] [
 | 
						|
        drop prepare-mouse send-button-up
 | 
						|
    ] if ;
 | 
						|
 | 
						|
: make-TRACKMOUSEEVENT ( hWnd -- alien )
 | 
						|
    "TRACKMOUSEEVENT" <c-object> [ set-TRACKMOUSEEVENT-hwndTrack ] keep
 | 
						|
    "TRACKMOUSEEVENT" heap-size over set-TRACKMOUSEEVENT-cbSize ;
 | 
						|
 | 
						|
: handle-wm-mousemove ( hWnd uMsg wParam lParam -- )
 | 
						|
    2nip
 | 
						|
    over make-TRACKMOUSEEVENT
 | 
						|
    TME_LEAVE over set-TRACKMOUSEEVENT-dwFlags
 | 
						|
    0 over set-TRACKMOUSEEVENT-dwHoverTime
 | 
						|
    TrackMouseEvent drop
 | 
						|
    >lo-hi swap window move-hand fire-motion ;
 | 
						|
 | 
						|
:: handle-wm-mousewheel ( hWnd uMsg wParam lParam -- )
 | 
						|
    wParam mouse-wheel hand-loc get hWnd window send-wheel ;
 | 
						|
 | 
						|
: handle-wm-cancelmode ( hWnd uMsg wParam lParam -- )
 | 
						|
    #! message sent if windows needs application to stop dragging
 | 
						|
    4drop release-capture ;
 | 
						|
 | 
						|
: handle-wm-mouseleave ( hWnd uMsg wParam lParam -- )
 | 
						|
    #! message sent if mouse leaves main application 
 | 
						|
    4drop forget-rollover ;
 | 
						|
 | 
						|
SYMBOL: wm-handlers
 | 
						|
 | 
						|
H{ } clone wm-handlers set-global
 | 
						|
 | 
						|
: add-wm-handler ( quot wm -- )
 | 
						|
    dup array?
 | 
						|
    [ [ execute( -- wm ) add-wm-handler ] with each ]
 | 
						|
    [ wm-handlers get-global set-at ] if ;
 | 
						|
 | 
						|
[ handle-wm-close 0                  ] WM_CLOSE add-wm-handler
 | 
						|
[ 4dup handle-wm-paint DefWindowProc ] WM_PAINT add-wm-handler
 | 
						|
 | 
						|
[ handle-wm-size 0 ] WM_SIZE add-wm-handler
 | 
						|
[ handle-wm-move 0 ] WM_MOVE add-wm-handler
 | 
						|
 | 
						|
[ 4dup handle-wm-keydown DefWindowProc ] { WM_KEYDOWN WM_SYSKEYDOWN } add-wm-handler
 | 
						|
[ 4dup handle-wm-char DefWindowProc    ] { WM_CHAR WM_SYSCHAR }       add-wm-handler
 | 
						|
[ 4dup handle-wm-keyup DefWindowProc   ] { WM_KEYUP WM_SYSKEYUP }     add-wm-handler
 | 
						|
 | 
						|
[ handle-wm-syscommand   ] WM_SYSCOMMAND add-wm-handler
 | 
						|
[ handle-wm-set-focus 0  ] WM_SETFOCUS add-wm-handler
 | 
						|
[ handle-wm-kill-focus 0 ] WM_KILLFOCUS add-wm-handler
 | 
						|
 | 
						|
[ handle-wm-buttondown 0 ] WM_LBUTTONDOWN add-wm-handler
 | 
						|
[ handle-wm-buttondown 0 ] WM_MBUTTONDOWN add-wm-handler
 | 
						|
[ handle-wm-buttondown 0 ] WM_RBUTTONDOWN add-wm-handler
 | 
						|
[ handle-wm-buttonup 0   ] WM_LBUTTONUP   add-wm-handler
 | 
						|
[ handle-wm-buttonup 0   ] WM_MBUTTONUP   add-wm-handler
 | 
						|
[ handle-wm-buttonup 0   ] WM_RBUTTONUP   add-wm-handler
 | 
						|
 | 
						|
[ 4dup handle-wm-ncbutton DefWindowProc ]
 | 
						|
{ WM_NCLBUTTONDOWN WM_NCMBUTTONDOWN WM_NCRBUTTONDOWN
 | 
						|
WM_NCLBUTTONUP WM_NCMBUTTONUP WM_NCRBUTTONUP }
 | 
						|
add-wm-handler
 | 
						|
 | 
						|
[ nc-buttons get-global delete-all DefWindowProc ]
 | 
						|
{ WM_EXITSIZEMOVE WM_EXITMENULOOP } add-wm-handler
 | 
						|
 | 
						|
[ handle-wm-mousemove 0  ] WM_MOUSEMOVE  add-wm-handler
 | 
						|
[ handle-wm-mousewheel 0 ] WM_MOUSEWHEEL add-wm-handler
 | 
						|
[ handle-wm-cancelmode 0 ] WM_CANCELMODE add-wm-handler
 | 
						|
[ handle-wm-mouseleave 0 ] WM_MOUSELEAVE add-wm-handler
 | 
						|
 | 
						|
SYMBOL: trace-messages?
 | 
						|
 | 
						|
! return 0 if you handle the message, else just let DefWindowProc return its val
 | 
						|
: ui-wndproc ( -- object )
 | 
						|
    "uint" { "void*" "uint" "long" "long" } "stdcall" [
 | 
						|
        pick
 | 
						|
        trace-messages? get-global [ dup windows-message-name name>> print flush ] when
 | 
						|
        wm-handlers get-global at* [ call ] [ drop DefWindowProc ] if
 | 
						|
     ] alien-callback ;
 | 
						|
 | 
						|
: peek-message? ( msg -- ? ) f 0 0 PM_REMOVE PeekMessage zero? ;
 | 
						|
 | 
						|
M: windows-ui-backend do-events
 | 
						|
    msg-obj get-global
 | 
						|
    dup peek-message? [ drop ui-wait ] [
 | 
						|
        [ TranslateMessage drop ]
 | 
						|
        [ DispatchMessage drop ] bi
 | 
						|
    ] if ;
 | 
						|
 | 
						|
:: register-window-class ( class-name-ptr -- )
 | 
						|
    "WNDCLASSEX" <c-object> f GetModuleHandle
 | 
						|
    class-name-ptr pick GetClassInfoEx 0 = [
 | 
						|
        "WNDCLASSEX" heap-size over set-WNDCLASSEX-cbSize
 | 
						|
        { CS_HREDRAW CS_VREDRAW CS_OWNDC } flags over set-WNDCLASSEX-style
 | 
						|
        ui-wndproc over set-WNDCLASSEX-lpfnWndProc
 | 
						|
        0 over set-WNDCLASSEX-cbClsExtra
 | 
						|
        0 over set-WNDCLASSEX-cbWndExtra
 | 
						|
        f GetModuleHandle over set-WNDCLASSEX-hInstance
 | 
						|
        f GetModuleHandle "fraptor" utf16n string>alien LoadIcon
 | 
						|
        over set-WNDCLASSEX-hIcon
 | 
						|
        f IDC_ARROW LoadCursor over set-WNDCLASSEX-hCursor
 | 
						|
 | 
						|
        class-name-ptr over set-WNDCLASSEX-lpszClassName
 | 
						|
        RegisterClassEx win32-error=0/f
 | 
						|
    ] [ drop ] if ;
 | 
						|
 | 
						|
: adjust-RECT ( RECT style ex-style -- )
 | 
						|
    [ 0 ] dip AdjustWindowRectEx win32-error=0/f ;
 | 
						|
 | 
						|
: make-RECT ( world -- RECT )
 | 
						|
    [ window-loc>> ] [ dim>> ] bi <RECT> ;
 | 
						|
 | 
						|
: default-position-RECT ( RECT -- )
 | 
						|
    dup get-RECT-dimensions [ 2drop ] 2dip
 | 
						|
    CW_USEDEFAULT + pick set-RECT-bottom
 | 
						|
    CW_USEDEFAULT + over set-RECT-right
 | 
						|
    CW_USEDEFAULT over set-RECT-left
 | 
						|
    CW_USEDEFAULT swap set-RECT-top ;
 | 
						|
 | 
						|
: make-adjusted-RECT ( rect style ex-style -- RECT )
 | 
						|
    [
 | 
						|
        make-RECT
 | 
						|
        dup get-RECT-top-left [ zero? ] both? swap
 | 
						|
        dup
 | 
						|
    ] 2dip adjust-RECT
 | 
						|
    swap [ dup default-position-RECT ] when ;
 | 
						|
 | 
						|
: get-window-class ( -- class-name )
 | 
						|
    class-name-ptr [
 | 
						|
        dup expired? [ drop "Factor-window" utf16n malloc-string ] when
 | 
						|
        dup register-window-class
 | 
						|
        dup
 | 
						|
    ] change-global ;
 | 
						|
 | 
						|
:: create-window ( rect style ex-style -- hwnd )
 | 
						|
    rect style ex-style make-adjusted-RECT
 | 
						|
    [ get-window-class f ] dip
 | 
						|
    [
 | 
						|
        [ ex-style ] 2dip
 | 
						|
        WS_CLIPSIBLINGS WS_CLIPCHILDREN bitor style bitor
 | 
						|
    ] dip get-RECT-dimensions
 | 
						|
    f f f GetModuleHandle f CreateWindowEx dup win32-error=0/f ;
 | 
						|
 | 
						|
: show-window ( hWnd -- )
 | 
						|
    dup SW_SHOW ShowWindow drop ! always succeeds
 | 
						|
    dup SetForegroundWindow drop
 | 
						|
    SetFocus drop ;
 | 
						|
 | 
						|
: init-win32-ui ( -- )
 | 
						|
    V{ } clone nc-buttons set-global
 | 
						|
    "MSG" malloc-object msg-obj set-global
 | 
						|
    GetDoubleClickTime milliseconds double-click-timeout set-global ;
 | 
						|
 | 
						|
: cleanup-win32-ui ( -- )
 | 
						|
    class-name-ptr [ [ [ f UnregisterClass drop ] [ free ] bi ] when* f ] change-global
 | 
						|
    msg-obj [ [ free ] when* f ] change-global ;
 | 
						|
 | 
						|
: get-dc ( world -- )
 | 
						|
    handle>> dup hWnd>> GetDC dup win32-error=0/f >>hDC drop ;
 | 
						|
 | 
						|
: get-rc ( world -- )
 | 
						|
    handle>> dup hDC>> dup wglCreateContext dup win32-error=0/f
 | 
						|
    [ wglMakeCurrent win32-error=0/f ] keep >>hRC drop ;
 | 
						|
 | 
						|
: set-pixel-format ( pixel-format hdc -- )
 | 
						|
    swap handle>>
 | 
						|
    "PIXELFORMATDESCRIPTOR" <c-object> SetPixelFormat win32-error=0/f ;
 | 
						|
 | 
						|
: setup-gl ( world -- )
 | 
						|
    [ get-dc ] keep
 | 
						|
    [ swap [ handle>> hDC>> set-pixel-format ] [ get-rc ] bi ]
 | 
						|
    with-world-pixel-format ;
 | 
						|
 | 
						|
: disable-close-button ( hwnd -- )
 | 
						|
    0 GetSystemMenu
 | 
						|
    SC_CLOSE MF_BYCOMMAND MF_GRAYED bitor EnableMenuItem drop ;
 | 
						|
 | 
						|
: ?disable-close-button ( world hwnd -- )
 | 
						|
    swap window-controls>> close-button swap member? not
 | 
						|
    [ disable-close-button ] [ drop ] if ;
 | 
						|
 | 
						|
M: windows-ui-backend (open-window) ( world -- )
 | 
						|
    [
 | 
						|
        dup
 | 
						|
        [ ] [ world>style ] [ world>ex-style ] tri create-window
 | 
						|
        [ ?disable-close-button ]
 | 
						|
        [ [ f f ] dip f f <win> >>handle setup-gl ] 2bi
 | 
						|
    ]
 | 
						|
    [ dup handle>> hWnd>> register-window ]
 | 
						|
    [ handle>> hWnd>> show-window ] tri ;
 | 
						|
 | 
						|
M: win-base select-gl-context ( handle -- )
 | 
						|
    [ hDC>> ] [ hRC>> ] bi wglMakeCurrent win32-error=0/f
 | 
						|
    GdiFlush drop ;
 | 
						|
 | 
						|
M: win-base flush-gl-context ( handle -- )
 | 
						|
    hDC>> SwapBuffers win32-error=0/f ;
 | 
						|
 | 
						|
: setup-offscreen-gl ( world -- )
 | 
						|
    dup [ handle>> ] [ dim>> ] bi make-offscreen-dc-and-bitmap
 | 
						|
    [ >>hDC ] [ >>hBitmap ] [ >>bits ] tri* drop [
 | 
						|
        swap [ handle>> hDC>> set-pixel-format ] [ get-rc ] bi
 | 
						|
    ] with-world-pixel-format ;
 | 
						|
 | 
						|
M: windows-ui-backend (open-offscreen-buffer) ( world -- )
 | 
						|
    win-offscreen new >>handle
 | 
						|
    setup-offscreen-gl ;
 | 
						|
 | 
						|
M: windows-ui-backend (close-offscreen-buffer) ( handle -- )
 | 
						|
    [ hDC>> DeleteDC drop ]
 | 
						|
    [ hBitmap>> DeleteObject drop ] bi ;
 | 
						|
 | 
						|
! Windows 32-bit bitmaps don't actually use the alpha byte of
 | 
						|
! each pixel; it's left as zero
 | 
						|
 | 
						|
: (make-opaque) ( byte-array -- byte-array' )
 | 
						|
    [ length 4 /i ]
 | 
						|
    [ '[ 255 swap 4 * 3 + _ set-nth ] each ]
 | 
						|
    [ ] tri ;
 | 
						|
 | 
						|
: (opaque-pixels) ( world -- pixels )
 | 
						|
    [ handle>> bits>> ] [ dim>> ] bi bitmap>byte-array (make-opaque) ;
 | 
						|
 | 
						|
M: windows-ui-backend offscreen-pixels ( world -- alien w h )
 | 
						|
    [ (opaque-pixels) ] [ dim>> first2 ] bi ;
 | 
						|
 | 
						|
M: windows-ui-backend raise-window* ( world -- )
 | 
						|
    handle>> [ hWnd>> SetFocus drop ] when* ;
 | 
						|
 | 
						|
M: windows-ui-backend set-title ( string world -- )
 | 
						|
    handle>>
 | 
						|
    dup title>> [ free ] when*
 | 
						|
    swap utf16n malloc-string
 | 
						|
    [ >>title ]
 | 
						|
    [ [ hWnd>> WM_SETTEXT 0 ] dip alien-address SendMessage drop ] bi ;
 | 
						|
 | 
						|
M: windows-ui-backend (with-ui)
 | 
						|
    [
 | 
						|
        [
 | 
						|
            init-clipboard
 | 
						|
            init-win32-ui
 | 
						|
            start-ui
 | 
						|
            event-loop
 | 
						|
        ] [ cleanup-win32-ui ] [ ] cleanup
 | 
						|
    ] ui-running ;
 | 
						|
 | 
						|
M: windows-ui-backend beep ( -- )
 | 
						|
    0 MessageBeep drop ;
 | 
						|
 | 
						|
: fullscreen-RECT ( hwnd -- RECT )
 | 
						|
    MONITOR_DEFAULTTONEAREST MonitorFromWindow
 | 
						|
    "MONITORINFOEX" <c-object> dup length over set-MONITORINFOEX-cbSize
 | 
						|
    [ GetMonitorInfo win32-error=0/f ] keep MONITORINFOEX-rcMonitor ;
 | 
						|
 | 
						|
: client-area>RECT ( hwnd -- RECT )
 | 
						|
    "RECT" <c-object>
 | 
						|
    [ GetClientRect win32-error=0/f ]
 | 
						|
    [ "POINT" byte-array>struct-array [ ClientToScreen drop ] with each ]
 | 
						|
    [ nip ] 2tri ;
 | 
						|
 | 
						|
: hwnd>RECT ( hwnd -- RECT )
 | 
						|
    "RECT" <c-object> [ GetWindowRect win32-error=0/f ] keep ;
 | 
						|
 | 
						|
M: windows-ui-backend (grab-input) ( handle -- )
 | 
						|
    0 ShowCursor drop
 | 
						|
    hWnd>> client-area>RECT ClipCursor drop ;
 | 
						|
 | 
						|
M: windows-ui-backend (ungrab-input) ( handle -- )
 | 
						|
    drop
 | 
						|
    f ClipCursor drop
 | 
						|
    1 ShowCursor drop ;
 | 
						|
 | 
						|
: fullscreen-flags ( -- n )
 | 
						|
    { WS_CAPTION WS_BORDER WS_THICKFRAME } flags ; inline
 | 
						|
 | 
						|
: enter-fullscreen ( world -- )
 | 
						|
    handle>> hWnd>>
 | 
						|
    {
 | 
						|
        [
 | 
						|
            GWL_STYLE GetWindowLong
 | 
						|
            fullscreen-flags unmask
 | 
						|
        ]
 | 
						|
        [ GWL_STYLE rot SetWindowLong win32-error=0/f ]
 | 
						|
        [
 | 
						|
            HWND_TOP
 | 
						|
            over hwnd>RECT get-RECT-dimensions
 | 
						|
            SWP_FRAMECHANGED
 | 
						|
            SetWindowPos win32-error=0/f
 | 
						|
        ]
 | 
						|
        [ SW_MAXIMIZE ShowWindow win32-error=0/f ]
 | 
						|
    } cleave ;
 | 
						|
 | 
						|
: exit-fullscreen ( world -- )
 | 
						|
    dup handle>> hWnd>>
 | 
						|
    {
 | 
						|
        [ GWL_STYLE rot world>style SetWindowLong win32-error=0/f ]
 | 
						|
        [
 | 
						|
            f
 | 
						|
            over hwnd>RECT get-RECT-dimensions
 | 
						|
            { SWP_NOMOVE SWP_NOSIZE SWP_NOZORDER SWP_FRAMECHANGED } flags
 | 
						|
            SetWindowPos win32-error=0/f
 | 
						|
        ]
 | 
						|
        [ SW_RESTORE ShowWindow win32-error=0/f ]
 | 
						|
    } cleave ;
 | 
						|
 | 
						|
M: windows-ui-backend (set-fullscreen) ( ? world -- )
 | 
						|
    [ enter-fullscreen ] [ exit-fullscreen ] if ;
 | 
						|
 | 
						|
M: windows-ui-backend (fullscreen?) ( world -- ? )
 | 
						|
    [ handle>> hWnd>> hwnd>RECT ]
 | 
						|
    [ handle>> hWnd>> fullscreen-RECT ] bi
 | 
						|
    [ get-RECT-dimensions 2array 2nip ] bi@ = ;
 | 
						|
 | 
						|
windows-ui-backend ui-backend set-global
 | 
						|
 | 
						|
[ "ui.tools" ] main-vocab-hook set-global
 |