1 ! Copyright (C) 2005, 2006 Doug Coleman.
2 ! Portions copyright (C) 2007, 2009 Slava Pestov.
3 ! See http://factorcode.org/license.txt for BSD license.
4 USING: alien alien.c-types alien.strings arrays assocs ui ui.private
5 ui.gadgets ui.gadgets.private ui.backend ui.clipboards
6 ui.gadgets.worlds ui.gestures ui.event-loop io kernel math
7 math.vectors namespaces make sequences strings vectors words
8 windows.kernel32 windows.gdi32 windows.user32 windows.opengl32
9 windows.messages windows.types windows.offscreen windows.nt windows
10 threads libc combinators fry combinators.short-circuit continuations
11 command-line shuffle opengl ui.render ascii math.bitwise locals
12 accessors math.rectangles math.order ascii calendar
14 IN: ui.backend.windows
16 SINGLETON: windows-ui-backend
18 : crlf>lf ( str -- str' )
19 CHAR: \r swap remove ;
21 : lf>crlf ( str -- str' )
22 [ [ dup CHAR: \n = [ CHAR: \r , ] when , ] each ] "" make ;
24 : enum-clipboard ( -- seq )
26 [ EnumClipboardFormats win32-error dup dup 0 > ]
30 : with-clipboard ( quot -- )
31 f OpenClipboard win32-error=0/f
33 CloseClipboard win32-error=0/f ; inline
37 CF_UNICODETEXT IsClipboardFormatAvailable zero? [
41 CF_UNICODETEXT GetClipboardData dup win32-error=0/f
42 dup GlobalLock dup win32-error=0/f
43 GlobalUnlock win32-error=0/f
52 EmptyClipboard win32-error=0/f
53 GMEM_MOVEABLE over length 1+ GlobalAlloc
56 dup GlobalLock dup win32-error=0/f
57 swapd byte-array>memory
58 dup GlobalUnlock win32-error=0/f
59 CF_UNICODETEXT swap SetClipboardData win32-error=0/f
63 C: <pasteboard> pasteboard
65 M: pasteboard clipboard-contents drop paste ;
66 M: pasteboard set-clipboard-contents drop copy ;
68 : init-clipboard ( -- )
69 <pasteboard> clipboard set-global
70 <clipboard> selection set-global ;
72 TUPLE: win-base hDC hRC ;
73 TUPLE: win < win-base hWnd world title ;
74 TUPLE: win-offscreen < win-base hBitmap bits ;
76 C: <win-offscreen> win-offscreen
78 SYMBOLS: msg-obj class-name-ptr mouse-captured ;
80 : style ( -- n ) WS_OVERLAPPEDWINDOW ; inline
81 : ex-style ( -- n ) WS_EX_APPWINDOW WS_EX_WINDOWEDGE bitor ; inline
83 : get-RECT-top-left ( RECT -- x y )
84 [ RECT-left ] keep RECT-top ;
86 : get-RECT-dimensions ( RECT -- x y width height )
87 [ get-RECT-top-left ] keep
88 [ RECT-right ] keep [ RECT-left - ] keep
89 [ RECT-bottom ] keep RECT-top - ;
91 : handle-wm-paint ( hWnd uMsg wParam lParam -- )
92 #! wParam and lParam are unused
93 #! only paint if width/height both > 0
94 3drop window relayout-1 yield ;
96 : handle-wm-size ( hWnd uMsg wParam lParam -- )
98 [ lo-word ] keep hi-word 2array
99 dup { 0 0 } = [ 2drop ] [ swap window (>>dim) ] if ;
101 : handle-wm-move ( hWnd uMsg wParam lParam -- )
103 [ lo-word ] keep hi-word 2array
104 swap window (>>window-loc) ;
106 CONSTANT: wm-keydown-codes
136 : key-state-down? ( key -- ? )
137 GetKeyState 16 bit? ;
139 : left-shift? ( -- ? ) VK_LSHIFT key-state-down? ;
140 : left-ctrl? ( -- ? ) VK_LCONTROL key-state-down? ;
141 : left-alt? ( -- ? ) VK_LMENU key-state-down? ;
142 : right-shift? ( -- ? ) VK_RSHIFT key-state-down? ;
143 : right-ctrl? ( -- ? ) VK_RCONTROL key-state-down? ;
144 : right-alt? ( -- ? ) VK_RMENU key-state-down? ;
145 : shift? ( -- ? ) left-shift? right-shift? or ;
146 : ctrl? ( -- ? ) left-ctrl? right-ctrl? or ;
147 : alt? ( -- ? ) left-alt? right-alt? or ;
148 : caps-lock? ( -- ? ) VK_CAPITAL GetKeyState zero? not ;
150 : key-modifiers ( -- seq )
155 ] { } make [ empty? not ] keep f ? ;
157 CONSTANT: exclude-keys-wm-keydown
166 CONSTANT: exclude-keys-wm-char
174 : exclude-key-wm-keydown? ( n -- ? )
175 exclude-keys-wm-keydown key? ;
177 : exclude-key-wm-char? ( n -- ? )
178 exclude-keys-wm-char key? ;
180 : keystroke>gesture ( n -- mods sym )
181 wm-keydown-codes at* [ key-modifiers swap ] [ drop f f ] if ;
183 : send-key-gesture ( sym action? quot hWnd -- )
184 [ [ key-modifiers ] 3dip call ] dip
185 window propagate-key-gesture ; inline
187 : send-key-down ( sym action? hWnd -- )
188 [ [ <key-down> ] ] dip send-key-gesture ;
190 : send-key-up ( sym action? hWnd -- )
191 [ [ <key-up> ] ] dip send-key-gesture ;
193 : key-sym ( wParam -- string/f action? )
197 [ shift? caps-lock? xor [ CHAR: a + CHAR: A - ] unless 1string f ]
199 { [ dup digit? ] [ 1string f ] }
200 [ wm-keydown-codes at t ]
203 :: handle-wm-keydown ( hWnd uMsg wParam lParam -- )
204 wParam exclude-key-wm-keydown? [
205 wParam key-sym over [
206 dup ctrl? alt? xor or [
212 :: handle-wm-char ( hWnd uMsg wParam lParam -- )
213 wParam exclude-key-wm-char? [
216 [ f hWnd send-key-down ]
217 [ hWnd window user-input ] bi
221 :: handle-wm-keyup ( hWnd uMsg wParam lParam -- )
222 wParam exclude-key-wm-keydown? [
223 wParam key-sym over [
228 :: set-window-active ( hwnd uMsg wParam lParam ? -- n )
229 ? hwnd window (>>active?)
230 hwnd uMsg wParam lParam DefWindowProc ;
232 : handle-wm-syscommand ( hWnd uMsg wParam lParam -- n )
234 { [ over SC_MINIMIZE = ] [ f set-window-active ] }
235 { [ over SC_RESTORE = ] [ t set-window-active ] }
236 { [ over SC_MAXIMIZE = ] [ t set-window-active ] }
237 { [ dup alpha? ] [ 4drop 0 ] }
238 { [ t ] [ DefWindowProc ] }
241 : cleanup-window ( handle -- )
242 dup title>> [ free ] when*
243 dup hRC>> wglDeleteContext win32-error=0/f
244 dup hWnd>> swap hDC>> ReleaseDC win32-error=0/f ;
246 M: windows-ui-backend (close-window)
247 dup hWnd>> unregister-window
249 hWnd>> DestroyWindow win32-error=0/f ;
251 : handle-wm-close ( hWnd uMsg wParam lParam -- )
252 3drop window ungraft ;
254 : handle-wm-set-focus ( hWnd uMsg wParam lParam -- )
255 3drop window [ focus-world ] when* ;
257 : handle-wm-kill-focus ( hWnd uMsg wParam lParam -- )
258 3drop window [ unfocus-world ] when* ;
260 : message>button ( uMsg -- button down? )
262 { WM_LBUTTONDOWN [ 1 t ] }
263 { WM_LBUTTONUP [ 1 f ] }
264 { WM_MBUTTONDOWN [ 2 t ] }
265 { WM_MBUTTONUP [ 2 f ] }
266 { WM_RBUTTONDOWN [ 3 t ] }
267 { WM_RBUTTONUP [ 3 f ] }
269 { WM_NCLBUTTONDOWN [ 1 t ] }
270 { WM_NCLBUTTONUP [ 1 f ] }
271 { WM_NCMBUTTONDOWN [ 2 t ] }
272 { WM_NCMBUTTONUP [ 2 f ] }
273 { WM_NCRBUTTONDOWN [ 3 t ] }
274 { WM_NCRBUTTONUP [ 3 f ] }
277 ! If the user clicks in the window border ("non-client area")
278 ! Windows sends us an NC[LMR]BUTTONDOWN message; but if the
279 ! mouse is subsequently released outside the NC area, we receive
280 ! a [LMR]BUTTONUP message and Factor can get confused. So we
281 ! ignore BUTTONUP's that are a result of an NC*BUTTONDOWN.
284 : handle-wm-ncbutton ( hWnd uMsg wParam lParam -- )
286 message>button nc-buttons get
287 swap [ push ] [ delete ] if ;
289 : >lo-hi ( WORD -- array ) [ lo-word ] [ hi-word ] bi 2array ;
291 : mouse-wheel ( wParam -- array ) >lo-hi [ sgn neg ] map ;
293 : mouse-event>gesture ( uMsg -- button )
294 key-modifiers swap message>button
295 [ <button-down> ] [ <button-up> ] if ;
297 :: prepare-mouse ( hWnd uMsg wParam lParam -- button coordinate world )
298 uMsg mouse-event>gesture
302 : set-capture ( hwnd -- )
306 [ SetCapture drop ] keep
310 : release-capture ( -- )
311 ReleaseCapture win32-error=0/f
314 : handle-wm-buttondown ( hWnd uMsg wParam lParam -- )
317 dup message>button drop nc-buttons get delete
318 ] 2dip prepare-mouse send-button-down ;
320 : handle-wm-buttonup ( hWnd uMsg wParam lParam -- )
321 mouse-captured get [ release-capture ] when
322 pick message>button drop dup nc-buttons get member? [
323 nc-buttons get delete 4drop
325 drop prepare-mouse send-button-up
328 : make-TRACKMOUSEEVENT ( hWnd -- alien )
329 "TRACKMOUSEEVENT" <c-object> [ set-TRACKMOUSEEVENT-hwndTrack ] keep
330 "TRACKMOUSEEVENT" heap-size over set-TRACKMOUSEEVENT-cbSize ;
332 : handle-wm-mousemove ( hWnd uMsg wParam lParam -- )
334 over make-TRACKMOUSEEVENT
335 TME_LEAVE over set-TRACKMOUSEEVENT-dwFlags
336 0 over set-TRACKMOUSEEVENT-dwHoverTime
338 >lo-hi swap window move-hand fire-motion ;
340 :: handle-wm-mousewheel ( hWnd uMsg wParam lParam -- )
341 wParam mouse-wheel hand-loc get hWnd window send-wheel ;
343 : handle-wm-cancelmode ( hWnd uMsg wParam lParam -- )
344 #! message sent if windows needs application to stop dragging
345 4drop release-capture ;
347 : handle-wm-mouseleave ( hWnd uMsg wParam lParam -- )
348 #! message sent if mouse leaves main application
349 4drop forget-rollover ;
353 H{ } clone wm-handlers set-global
355 : add-wm-handler ( quot wm -- )
357 [ [ execute( -- wm ) add-wm-handler ] with each ]
358 [ wm-handlers get-global set-at ] if ;
360 [ handle-wm-close 0 ] WM_CLOSE add-wm-handler
361 [ 4dup handle-wm-paint DefWindowProc ] WM_PAINT add-wm-handler
363 [ handle-wm-size 0 ] WM_SIZE add-wm-handler
364 [ handle-wm-move 0 ] WM_MOVE add-wm-handler
366 [ 4dup handle-wm-keydown DefWindowProc ] { WM_KEYDOWN WM_SYSKEYDOWN } add-wm-handler
367 [ 4dup handle-wm-char DefWindowProc ] { WM_CHAR WM_SYSCHAR } add-wm-handler
368 [ 4dup handle-wm-keyup DefWindowProc ] { WM_KEYUP WM_SYSKEYUP } add-wm-handler
370 [ handle-wm-syscommand ] WM_SYSCOMMAND add-wm-handler
371 [ handle-wm-set-focus 0 ] WM_SETFOCUS add-wm-handler
372 [ handle-wm-kill-focus 0 ] WM_KILLFOCUS add-wm-handler
374 [ handle-wm-buttondown 0 ] WM_LBUTTONDOWN add-wm-handler
375 [ handle-wm-buttondown 0 ] WM_MBUTTONDOWN add-wm-handler
376 [ handle-wm-buttondown 0 ] WM_RBUTTONDOWN add-wm-handler
377 [ handle-wm-buttonup 0 ] WM_LBUTTONUP add-wm-handler
378 [ handle-wm-buttonup 0 ] WM_MBUTTONUP add-wm-handler
379 [ handle-wm-buttonup 0 ] WM_RBUTTONUP add-wm-handler
381 [ 4dup handle-wm-ncbutton DefWindowProc ]
382 { WM_NCLBUTTONDOWN WM_NCMBUTTONDOWN WM_NCRBUTTONDOWN
383 WM_NCLBUTTONUP WM_NCMBUTTONUP WM_NCRBUTTONUP }
386 [ nc-buttons get-global delete-all DefWindowProc ]
387 { WM_EXITSIZEMOVE WM_EXITMENULOOP } add-wm-handler
389 [ handle-wm-mousemove 0 ] WM_MOUSEMOVE add-wm-handler
390 [ handle-wm-mousewheel 0 ] WM_MOUSEWHEEL add-wm-handler
391 [ handle-wm-cancelmode 0 ] WM_CANCELMODE add-wm-handler
392 [ handle-wm-mouseleave 0 ] WM_MOUSELEAVE add-wm-handler
394 SYMBOL: trace-messages?
396 ! return 0 if you handle the message, else just let DefWindowProc return its val
397 : ui-wndproc ( -- object )
398 "uint" { "void*" "uint" "long" "long" } "stdcall" [
400 trace-messages? get-global [ dup windows-message-name name>> print flush ] when
401 wm-handlers get-global at* [ call ] [ drop DefWindowProc ] if
404 : peek-message? ( msg -- ? ) f 0 0 PM_REMOVE PeekMessage zero? ;
406 M: windows-ui-backend do-events
408 dup peek-message? [ drop ui-wait ] [
409 [ TranslateMessage drop ]
410 [ DispatchMessage drop ] bi
413 : register-wndclassex ( -- class )
414 "WNDCLASSEX" <c-object>
416 class-name-ptr get-global
417 pick GetClassInfoEx zero? [
418 "WNDCLASSEX" heap-size over set-WNDCLASSEX-cbSize
419 { CS_HREDRAW CS_VREDRAW CS_OWNDC } flags over set-WNDCLASSEX-style
420 ui-wndproc over set-WNDCLASSEX-lpfnWndProc
421 0 over set-WNDCLASSEX-cbClsExtra
422 0 over set-WNDCLASSEX-cbWndExtra
423 f GetModuleHandle over set-WNDCLASSEX-hInstance
424 f GetModuleHandle "fraptor" utf16n string>alien LoadIcon
425 over set-WNDCLASSEX-hIcon
426 f IDC_ARROW LoadCursor over set-WNDCLASSEX-hCursor
428 class-name-ptr get-global over set-WNDCLASSEX-lpszClassName
429 RegisterClassEx dup win32-error=0/f
432 : adjust-RECT ( RECT -- )
433 style 0 ex-style AdjustWindowRectEx win32-error=0/f ;
435 : make-RECT ( world -- RECT )
436 [ window-loc>> dup ] [ dim>> ] bi v+
438 over first over set-RECT-right
439 swap second over set-RECT-bottom
440 over first over set-RECT-left
441 swap second over set-RECT-top ;
443 : default-position-RECT ( RECT -- )
444 dup get-RECT-dimensions [ 2drop ] 2dip
445 CW_USEDEFAULT + pick set-RECT-bottom
446 CW_USEDEFAULT + over set-RECT-right
447 CW_USEDEFAULT over set-RECT-left
448 CW_USEDEFAULT swap set-RECT-top ;
450 : make-adjusted-RECT ( rect -- RECT )
452 dup get-RECT-top-left [ zero? ] both? swap
454 swap [ dup default-position-RECT ] when ;
456 : create-window ( rect -- hwnd )
458 [ class-name-ptr get-global f ] dip
461 { WS_CLIPSIBLINGS WS_CLIPCHILDREN style } flags
462 ] dip get-RECT-dimensions
463 f f f GetModuleHandle f CreateWindowEx dup win32-error=0/f ;
465 : show-window ( hWnd -- )
466 dup SW_SHOW ShowWindow drop ! always succeeds
467 dup SetForegroundWindow drop
470 : init-win32-ui ( -- )
471 V{ } clone nc-buttons set-global
472 "MSG" malloc-object msg-obj set-global
473 "Factor-window" utf16n malloc-string class-name-ptr set-global
474 register-wndclassex drop
475 GetDoubleClickTime milliseconds double-click-timeout set-global ;
477 : cleanup-win32-ui ( -- )
478 class-name-ptr get-global [ dup f UnregisterClass drop free ] when*
479 msg-obj get-global [ free ] when*
480 f class-name-ptr set-global
481 f msg-obj set-global ;
483 : setup-pixel-format ( hdc flags -- )
484 32 make-pfd [ ChoosePixelFormat dup win32-error=0/f ] 2keep
485 swapd SetPixelFormat win32-error=0/f ;
487 : get-dc ( hWnd -- hDC ) GetDC dup win32-error=0/f ;
489 : get-rc ( hDC -- hRC )
490 dup wglCreateContext dup win32-error=0/f
491 [ wglMakeCurrent win32-error=0/f ] keep ;
493 : setup-gl ( hwnd -- hDC hRC )
494 get-dc dup windowed-pfd-dwFlags setup-pixel-format dup get-rc ;
496 M: windows-ui-backend (open-window) ( world -- )
497 [ create-window [ setup-gl ] keep ] keep
499 [ swap hWnd>> register-window ] 2keep
503 M: win-base select-gl-context ( handle -- )
504 [ hDC>> ] [ hRC>> ] bi wglMakeCurrent win32-error=0/f
507 M: win-base flush-gl-context ( handle -- )
508 hDC>> SwapBuffers win32-error=0/f ;
510 : setup-offscreen-gl ( dim -- hDC hRC hBitmap bits )
511 make-offscreen-dc-and-bitmap [
512 [ dup offscreen-pfd-dwFlags setup-pixel-format ]
516 M: windows-ui-backend (open-offscreen-buffer) ( world -- )
517 dup dim>> setup-offscreen-gl <win-offscreen>
520 M: windows-ui-backend (close-offscreen-buffer) ( handle -- )
521 [ hDC>> DeleteDC drop ]
522 [ hBitmap>> DeleteObject drop ] bi ;
524 ! Windows 32-bit bitmaps don't actually use the alpha byte of
525 ! each pixel; it's left as zero
527 : (make-opaque) ( byte-array -- byte-array' )
529 [ '[ 255 swap 4 * 3 + _ set-nth ] each ]
532 : (opaque-pixels) ( world -- pixels )
533 [ handle>> bits>> ] [ dim>> ] bi bitmap>byte-array (make-opaque) ;
535 M: windows-ui-backend offscreen-pixels ( world -- alien w h )
536 [ (opaque-pixels) ] [ dim>> first2 ] bi ;
538 M: windows-ui-backend raise-window* ( world -- )
539 handle>> [ hWnd>> SetFocus drop ] when* ;
541 M: windows-ui-backend set-title ( string world -- )
543 dup title>> [ free ] when*
544 swap utf16n malloc-string
546 [ [ hWnd>> WM_SETTEXT 0 ] dip alien-address SendMessage drop ] bi ;
548 M: windows-ui-backend (with-ui)
555 ] [ cleanup-win32-ui ] [ ] cleanup
558 M: windows-ui-backend beep ( -- )
561 windows-ui-backend ui-backend set-global
563 [ "ui.tools" ] main-vocab-hook set-global