factor/basis/ui/windows/windows.factor

590 lines
18 KiB
Factor
Executable File

! Copyright (C) 2005, 2006 Doug Coleman.
! Portions copyright (C) 2007, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.c-types alien.strings arrays assocs ui
ui.gadgets ui.backend ui.clipboards ui.gadgets.worlds
ui.gestures ui.event-loop io kernel math math.vectors namespaces
make sequences strings vectors words windows.kernel32
windows.gdi32 windows.user32 windows.opengl32 windows.messages
windows.types windows.nt windows threads libc combinators fry
combinators.short-circuit continuations command-line shuffle
opengl ui.render ascii math.bitwise locals symbols accessors
math.geometry.rect math.order ascii calendar io.encodings.utf16n
;
IN: ui.windows
SINGLETON: windows-ui-backend
: crlf>lf ( str -- str' )
CHAR: \r swap remove ;
: lf>crlf ( str -- str' )
[ [ dup CHAR: \n = [ CHAR: \r , ] when , ] each ] "" make ;
: enum-clipboard ( -- seq )
0
[ EnumClipboardFormats win32-error dup dup 0 > ]
[ ]
[ drop ]
produce nip ;
: with-clipboard ( quot -- )
f OpenClipboard win32-error=0/f
call
CloseClipboard win32-error=0/f ; inline
: paste ( -- str )
[
CF_UNICODETEXT IsClipboardFormatAvailable zero? [
! nothing to paste
""
] [
CF_UNICODETEXT GetClipboardData dup win32-error=0/f
dup GlobalLock dup win32-error=0/f
GlobalUnlock win32-error=0/f
utf16n alien>string
] if
] with-clipboard
crlf>lf ;
: copy ( str -- )
lf>crlf [
utf16n string>alien
EmptyClipboard win32-error=0/f
GMEM_MOVEABLE over length 1+ GlobalAlloc
dup win32-error=0/f
dup GlobalLock dup win32-error=0/f
swapd byte-array>memory
dup GlobalUnlock win32-error=0/f
CF_UNICODETEXT swap SetClipboardData win32-error=0/f
] with-clipboard ;
TUPLE: pasteboard ;
C: <pasteboard> pasteboard
M: pasteboard clipboard-contents drop paste ;
M: pasteboard set-clipboard-contents drop copy ;
: init-clipboard ( -- )
<pasteboard> clipboard set-global
<clipboard> selection set-global ;
TUPLE: win-base hDC hRC ;
TUPLE: win < win-base hWnd world title ;
TUPLE: win-offscreen < win-base hBitmap bits ;
C: <win> win
C: <win-offscreen> win-offscreen
SYMBOLS: msg-obj class-name-ptr mouse-captured ;
: style ( -- n ) WS_OVERLAPPEDWINDOW ; inline
: ex-style ( -- n ) WS_EX_APPWINDOW WS_EX_WINDOWEDGE bitor ; inline
: get-RECT-top-left ( RECT -- x y )
[ RECT-left ] keep RECT-top ;
: get-RECT-dimensions ( RECT -- x y width height )
[ get-RECT-top-left ] keep
[ RECT-right ] keep [ RECT-left - ] keep
[ RECT-bottom ] keep RECT-top - ;
: handle-wm-paint ( hWnd uMsg wParam lParam -- )
#! wParam and lParam are unused
#! only paint if width/height both > 0
3drop window relayout-1 yield ;
: handle-wm-size ( hWnd uMsg wParam lParam -- )
2nip
[ lo-word ] keep hi-word 2array
dup { 0 0 } = [ 2drop ] [ swap window (>>dim) ] if ;
: handle-wm-move ( hWnd uMsg wParam lParam -- )
2nip
[ lo-word ] keep hi-word 2array
swap window (>>window-loc) ;
: wm-keydown-codes ( -- key )
H{
{ 8 "BACKSPACE" }
{ 9 "TAB" }
{ 13 "RET" }
{ 27 "ESC" }
{ 33 "PAGE_UP" }
{ 34 "PAGE_DOWN" }
{ 35 "END" }
{ 36 "HOME" }
{ 37 "LEFT" }
{ 38 "UP" }
{ 39 "RIGHT" }
{ 40 "DOWN" }
{ 45 "INSERT" }
{ 46 "DELETE" }
{ 112 "F1" }
{ 113 "F2" }
{ 114 "F3" }
{ 115 "F4" }
{ 116 "F5" }
{ 117 "F6" }
{ 118 "F7" }
{ 119 "F8" }
{ 120 "F9" }
{ 121 "F10" }
{ 122 "F11" }
{ 123 "F12" }
} ;
: key-state-down? ( key -- ? )
GetKeyState 16 bit? ;
: left-shift? ( -- ? ) VK_LSHIFT key-state-down? ;
: left-ctrl? ( -- ? ) VK_LCONTROL key-state-down? ;
: left-alt? ( -- ? ) VK_LMENU key-state-down? ;
: right-shift? ( -- ? ) VK_RSHIFT key-state-down? ;
: right-ctrl? ( -- ? ) VK_RCONTROL key-state-down? ;
: right-alt? ( -- ? ) VK_RMENU key-state-down? ;
: shift? ( -- ? ) left-shift? right-shift? or ;
: ctrl? ( -- ? ) left-ctrl? right-ctrl? or ;
: alt? ( -- ? ) left-alt? right-alt? or ;
: caps-lock? ( -- ? ) VK_CAPITAL GetKeyState zero? not ;
: key-modifiers ( -- seq )
[
shift? [ S+ , ] when
ctrl? [ C+ , ] when
alt? [ A+ , ] when
] { } make [ empty? not ] keep f ? ;
: exclude-keys-wm-keydown
H{
{ 16 "SHIFT" }
{ 17 "CTRL" }
{ 18 "ALT" }
{ 20 "CAPS-LOCK" }
} ;
: exclude-keys-wm-char
! Values are ignored
H{
{ 8 "BACKSPACE" }
{ 9 "TAB" }
{ 13 "RET" }
{ 27 "ESC" }
} ;
: exclude-key-wm-keydown? ( n -- ? )
exclude-keys-wm-keydown key? ;
: exclude-key-wm-char? ( n -- ? )
exclude-keys-wm-char key? ;
: keystroke>gesture ( n -- mods sym )
wm-keydown-codes at* [ key-modifiers swap ] [ drop f f ] if ;
: send-key-gesture ( sym action? quot hWnd -- )
[ [ key-modifiers ] 3dip call ] dip
window propagate-key-gesture ; inline
: send-key-down ( sym action? hWnd -- )
[ [ <key-down> ] ] dip send-key-gesture ;
: send-key-up ( sym action? hWnd -- )
[ [ <key-up> ] ] dip send-key-gesture ;
: key-sym ( wParam -- string/f action? )
{
{
[ dup LETTER? ]
[ shift? caps-lock? xor [ CHAR: a + CHAR: A - ] unless 1string f ]
}
{ [ dup digit? ] [ 1string f ] }
[ wm-keydown-codes at t ]
} cond ;
:: handle-wm-keydown ( hWnd uMsg wParam lParam -- )
wParam exclude-key-wm-keydown? [
wParam key-sym over [
dup ctrl? alt? xor or [
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 ;
: >lo-hi ( WORD -- array ) [ lo-word ] [ hi-word ] bi 2array ;
: 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 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-wndclassex ( -- class )
"WNDCLASSEX" <c-object>
f GetModuleHandle
class-name-ptr get-global
pick GetClassInfoEx zero? [
"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 get-global over set-WNDCLASSEX-lpszClassName
RegisterClassEx dup win32-error=0/f
] when ;
: adjust-RECT ( RECT -- )
style 0 ex-style AdjustWindowRectEx win32-error=0/f ;
: make-RECT ( world -- RECT )
[ window-loc>> dup ] [ rect-dim ] bi v+
"RECT" <c-object>
over first over set-RECT-right
swap second over set-RECT-bottom
over first over set-RECT-left
swap second over set-RECT-top ;
: 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 -- RECT )
make-RECT
dup get-RECT-top-left [ zero? ] both? swap
dup adjust-RECT
swap [ dup default-position-RECT ] when ;
: create-window ( rect -- hwnd )
make-adjusted-RECT
[ class-name-ptr get-global f ] dip
[
[ ex-style ] 2dip
{ WS_CLIPSIBLINGS WS_CLIPCHILDREN style } flags
] 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
"Factor-window" utf16n malloc-string class-name-ptr set-global
register-wndclassex drop
GetDoubleClickTime milliseconds double-click-timeout set-global ;
: cleanup-win32-ui ( -- )
class-name-ptr get-global [ dup f UnregisterClass drop free ] when*
msg-obj get-global [ free ] when*
f class-name-ptr set-global
f msg-obj set-global ;
: setup-pixel-format ( hdc flags -- )
32 make-pfd [ ChoosePixelFormat dup win32-error=0/f ] 2keep
swapd SetPixelFormat win32-error=0/f ;
: get-dc ( hWnd -- hDC ) GetDC dup win32-error=0/f ;
: get-rc ( hDC -- hRC )
dup wglCreateContext dup win32-error=0/f
[ wglMakeCurrent win32-error=0/f ] keep ;
: setup-gl ( hwnd -- hDC hRC )
get-dc dup windowed-pfd-dwFlags setup-pixel-format dup get-rc ;
M: windows-ui-backend (open-window) ( world -- )
[ create-window [ setup-gl ] keep ] keep
[ f <win> ] keep
[ swap hWnd>> register-window ] 2keep
dupd (>>handle)
hWnd>> show-window ;
M: win-base select-gl-context ( handle -- )
[ hDC>> ] keep hRC>> wglMakeCurrent win32-error=0/f
GdiFlush drop ;
M: win-base flush-gl-context ( handle -- )
hDC>> SwapBuffers win32-error=0/f ;
: (bitmap-info) ( dim -- BITMAPINFO )
"BITMAPINFO" <c-object> [
BITMAPINFO-bmiHeader {
[ nip "BITMAPINFOHEADER" heap-size swap set-BITMAPINFOHEADER-biSize ]
[ [ first ] dip set-BITMAPINFOHEADER-biWidth ]
[ [ second ] dip set-BITMAPINFOHEADER-biHeight ]
[ nip 1 swap set-BITMAPINFOHEADER-biPlanes ]
[ nip 32 swap set-BITMAPINFOHEADER-biBitCount ]
[ nip BI_RGB swap set-BITMAPINFOHEADER-biCompression ]
[ [ first2 * 4 * ] dip set-BITMAPINFOHEADER-biSizeImage ]
[ nip 72 swap set-BITMAPINFOHEADER-biXPelsPerMeter ]
[ nip 72 swap set-BITMAPINFOHEADER-biYPelsPerMeter ]
[ nip 0 swap set-BITMAPINFOHEADER-biClrUsed ]
[ nip 0 swap set-BITMAPINFOHEADER-biClrImportant ]
} 2cleave
] keep ;
: make-offscreen-dc-and-bitmap ( dim -- hDC hBitmap bits )
f CreateCompatibleDC
dup rot (bitmap-info) DIB_RGB_COLORS f <void*>
[ f 0 CreateDIBSection ] keep *void*
[ 2dup SelectObject drop ] dip ;
: setup-offscreen-gl ( dim -- hDC hRC hBitmap bits )
make-offscreen-dc-and-bitmap [
[ dup offscreen-pfd-dwFlags setup-pixel-format ]
[ get-rc ] bi
] 2dip ;
M: windows-ui-backend (open-offscreen-buffer) ( world -- )
dup dim>> setup-offscreen-gl <win-offscreen>
>>handle drop ;
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 / ]
[ '[ 255 swap 4 * 3 + _ set-nth ] each ]
[ ] tri ;
: (opaque-pixels) ( world -- pixels )
[ handle>> bits>> ] [ dim>> first2 * 4 * ] bi
memory>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*
[ utf16n malloc-string ] dip
2dup (>>title)
hWnd>> WM_SETTEXT 0 roll alien-address SendMessage drop ;
M: windows-ui-backend ui
[
[
init-clipboard
init-win32-ui
start-ui
event-loop
] [ cleanup-win32-ui ] [ ] cleanup
] ui-running ;
M: windows-ui-backend beep ( -- )
0 MessageBeep drop ;
windows-ui-backend ui-backend set-global
[ "ui" ] main-vocab-hook set-global