275 lines
8.7 KiB
Factor
275 lines
8.7 KiB
Factor
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USING: alien arrays errors freetype gadgets gadgets-launchpad gadgets-layouts
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gadgets-listener hashtables io kernel lists math namespaces prettyprint
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sequences strings vectors words win32-api-messages win32-api ;
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USING: inspector threads memory ;
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IN: win32
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SYMBOL: windows
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SYMBOL: msg-obj
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! 'SYMBOL: windows' is a hashtable of 'gadget-window' objects indexed by hWnd.
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! hDC = handle to device context, hRC = handle to render context
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TUPLE: gadget-window world hWnd hDC hRC ;
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: class-name "Factor" ;
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: get-world ( hWnd -- world ) windows get hash gadget-window-world ;
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: get-gadget-window ( hWnd -- gadget-window )
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windows get hash ;
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: style ( -- n ) WS_OVERLAPPEDWINDOW ; inline
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: ex-style ( -- n ) WS_EX_APPWINDOW WS_EX_WINDOWEDGE bitor ; inline
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: adjust-RECT ( RECT -- )
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style 0 ex-style AdjustWindowRectEx win32-error=0 ;
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: make-RECT ( width height -- RECT )
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"RECT" <c-object> [ set-RECT-bottom ] keep [ set-RECT-right ] keep ;
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: make-adjusted-RECT ( width height -- RECT )
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make-RECT dup adjust-RECT ;
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: cleanup-gadget-window ( gadget-window -- )
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dup gadget-window-hRC wglDeleteContext win32-error=0
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[ gadget-window-hWnd ] keep gadget-window-hDC ReleaseDC win32-error=0 ;
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: get-RECT-dimensions ( RECT -- width height )
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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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3drop get-world redraw-world ;
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: handle-wm-size ( hWnd uMsg wParam lParam -- )
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[ lo-word ] keep hi-word make-RECT get-RECT-dimensions 0 3array
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2nip
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dup { 0 0 0 } = [
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2drop
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] [
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swap get-world set-gadget-dim
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] if ;
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: wm-keydown-codes ( n -- key )
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H{
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{ 8 "BACKSPACE" }
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{ 9 "TAB" }
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{ 13 "RETURN" }
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{ 27 "ESCAPE" }
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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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} ;
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: wm-char-exclude-keys
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H{
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{ 8 "BACKSPACE" }
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{ 13 "RETURN" }
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} ;
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: handle-key? ( n -- bool ) wm-keydown-codes hash* nip ;
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: exclude-key? ( n -- bool ) wm-char-exclude-keys hash* nip ;
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: keystroke>gesture ( n -- list ) wm-keydown-codes hash unit ;
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SYMBOL: lParam
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SYMBOL: wParam
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SYMBOL: uMsg
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SYMBOL: hWnd
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! wparam = keystroke, lparam = parameters
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: handle-wm-keydown ( hWnd uMsg wParam lParam -- )
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lParam set wParam set uMsg set hWnd set
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wParam get handle-key? [
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wParam get keystroke>gesture
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hWnd get get-world world-focus handle-gesture 0
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] [
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hWnd get uMsg get wParam get lParam get DefWindowProc
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] if ;
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: handle-wm-destroy ( hWnd uMsg wParam lParam -- )
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3drop
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[
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get-gadget-window
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dup gadget-window-world close-world
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cleanup-gadget-window
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] keep
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windows get remove-hash
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0 PostQuitMessage ;
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: handle-wm-char ( hWnd uMsg wParam lParam -- )
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lParam set wParam set uMsg set hWnd set
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wParam get exclude-key? [
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hWnd get uMsg get wParam get lParam get DefWindowProc
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] [
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wParam get ch>string hWnd get get-world world-focus user-input
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0 ! retval
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] if ;
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! TODO: handle alt keystrokes as gestures
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: handle-wm-syschar ( hWnd uMsg wParam lParam -- )
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lParam set wParam set uMsg set hWnd set
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;
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: mouse-button ( uMsg -- n )
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{
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{ [ dup WM_LBUTTONDOWN = ] [ drop 1 ] }
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{ [ dup WM_LBUTTONUP = ] [ drop 1 ] }
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{ [ dup WM_MBUTTONDOWN = ] [ drop 2 ] }
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{ [ dup WM_MBUTTONUP = ] [ drop 2 ] }
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{ [ dup WM_RBUTTONDOWN = ] [ drop 3 ] }
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{ [ dup WM_RBUTTONUP = ] [ drop 3 ] }
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{ [ t ] [ "bad button" throw ] }
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} cond ;
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: mouse-coordinate ( lParam -- seq ) [ lo-word ] keep hi-word 0 3array ;
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: mouse-wheel ( lParam -- n ) hi-word 0 > 1 -1 ? ;
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: prepare-mouse ( hWnd uMsg wParam lParam -- )
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nip >r mouse-button r> mouse-coordinate rot get-world ;
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: handle-wm-buttondown ( hWnd uMsg wParam lParam -- )
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prepare-mouse send-button-down ;
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: handle-wm-buttonup ( hWnd uMsg wParam lParam -- )
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prepare-mouse send-button-up ;
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: handle-wm-mousemove ( hWnd uMsg wParam lParam -- )
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2nip mouse-coordinate swap get-world move-hand ;
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: handle-wm-mousewheel ( hWnd uMsg wParam lParam -- )
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mouse-coordinate >r mouse-wheel nip r> rot get-world send-wheel ;
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! return 0 if you handle the message, else just let DefWindowProc return its val
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: ui-wndproc ( hWnd uMsg wParam lParam -- lresult )
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"uint" { "void*" "uint" "long" "long" } [
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[
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pick
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! "Message: " write dup get-windows-message-name write
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! " " write dup unparse print
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{
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{ [ dup WM_DESTROY = ] [ drop handle-wm-destroy 0 ] }
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{ [ dup WM_PAINT = ] [ drop handle-wm-paint 0 ] }
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{ [ dup WM_SIZE = ] [ drop handle-wm-size 0 ] }
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! Keyboard events
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{ [ dup WM_KEYDOWN = over WM_SYSKEYDOWN = or ]
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[ drop handle-wm-keydown ] }
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{ [ dup WM_CHAR = over WM_SYSCHAR = or ]
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[ drop handle-wm-char ] }
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! Mouse events
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{ [ dup WM_LBUTTONDOWN = ] [ drop handle-wm-buttondown 0 ] }
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{ [ dup WM_MBUTTONDOWN = ] [ drop handle-wm-buttondown 0 ] }
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{ [ dup WM_RBUTTONDOWN = ] [ drop handle-wm-buttondown 0 ] }
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{ [ dup WM_LBUTTONUP = ] [ drop handle-wm-buttonup 0 ] }
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{ [ dup WM_MBUTTONUP = ] [ drop handle-wm-buttonup 0 ] }
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{ [ dup WM_RBUTTONUP = ] [ drop handle-wm-buttonup 0 ] }
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{ [ dup WM_MOUSEMOVE = ] [ drop handle-wm-mousemove 0 ] }
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{ [ dup WM_MOUSEWHEEL = ] [ drop handle-wm-mousewheel 0 ] }
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{ [ t ] [ drop DefWindowProc ] }
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} cond
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] catch [ error. 0 ] when*
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] alien-callback ;
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: event-loop ( -- )
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msg-obj get f 0 0 PM_REMOVE PeekMessage
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zero? not [
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msg-obj get MSG-message WM_QUIT = [
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msg-obj get [ TranslateMessage drop ] keep DispatchMessage drop
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] unless
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] when
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ui-step windows get hash-empty? [ event-loop ] unless ;
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: register-wndclassex ( classname wndproc -- )
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"WNDCLASSEX" <c-object>
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"WNDCLASSEX" c-size over set-WNDCLASSEX-cbSize
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CS_HREDRAW CS_VREDRAW bitor CS_OWNDC bitor over set-WNDCLASSEX-style
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[ set-WNDCLASSEX-lpfnWndProc ] keep
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0 over set-WNDCLASSEX-cbClsExtra
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0 over set-WNDCLASSEX-cbWndExtra
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f GetModuleHandle over set-WNDCLASSEX-hInstance
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f IDI_APPLICATION LoadIcon over set-WNDCLASSEX-hIcon
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f IDC_ARROW LoadCursor over set-WNDCLASSEX-hCursor
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[ set-WNDCLASSEX-lpszClassName ] keep
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RegisterClassEx dup win32-error=0 ;
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: create-window ( className title width height -- hwnd )
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make-adjusted-RECT
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>r >r >r ex-style r> r>
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WS_CLIPSIBLINGS WS_CLIPCHILDREN bitor style bitor
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0 0 r>
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get-RECT-dimensions
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f f f GetModuleHandle f CreateWindowEx dup win32-error=0 ;
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: show-window ( hWnd -- )
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dup SW_SHOW ShowWindow drop ! always succeeds
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dup SetForegroundWindow drop
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SetFocus drop ;
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: init-win32-ui
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"MSG" <c-object> msg-obj set
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class-name ui-wndproc register-wndclassex win32-error=0
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H{ } clone windows set
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init-ui ;
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: cleanup-win32-ui ( -- ) class-name f UnregisterClass drop ;
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: setup-pixel-format ( hdc -- )
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16 make-pfd [ ChoosePixelFormat dup win32-error=0 ] 2keep
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swapd SetPixelFormat win32-error=0 ;
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: get-dc ( hWnd -- hDC ) GetDC dup win32-error=0 ;
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: get-rc ( hDC -- hRC )
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dup wglCreateContext dup win32-error=0
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[ wglMakeCurrent win32-error=0 ] keep ;
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: setup-gl ( hwnd -- hDC hRC )
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get-dc
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dup setup-pixel-format
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dup get-rc ;
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: make-gadget-window ( world title -- <gadget-window> )
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class-name swap pick rect-dim first2 create-window
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dup setup-gl <gadget-window> ;
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IN: gadgets
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: open-window* ( world title -- )
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make-gadget-window
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[ [ gadget-window-hWnd ] keep gadget-window-world set-world-handle ] keep
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dup gadget-window-hWnd [ windows get set-hash ] keep show-window ;
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: select-gl-context ( handle -- )
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get-gadget-window
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[
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[ gadget-window-hDC ] keep gadget-window-hRC
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wglMakeCurrent win32-error=0
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] when* ;
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: flush-gl-context ( handle -- )
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get-gadget-window [ gadget-window-hDC SwapBuffers win32-error=0 ] when* ;
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IN: shells
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: ui
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[
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[
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init-win32-ui
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launchpad-window
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listener-window
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event-loop
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] with-freetype
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] [ cleanup-win32-ui ] cleanup ;
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