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clip to window client area when grabbing on windows

db4
Joe Groff 2009-05-08 15:49:29 -05:00
parent 9992817c65
commit 2295c967fa
1 changed files with 8 additions and 2 deletions
basis/ui/backend/windows

10
basis/ui/backend/windows/windows.factor
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@ -11,7 +11,7 @@ threads libc combinators fry combinators.short-circuit continuations
command-line shuffle opengl ui.render ascii math.bitwise locals
accessors math.rectangles math.order ascii calendar
io.encodings.utf16n windows.errors literals ui.pixel-formats
ui.pixel-formats.private memoize classes ;
ui.pixel-formats.private memoize classes struct-arrays ;
IN: ui.backend.windows
SINGLETON: windows-ui-backend
@ -703,12 +703,18 @@ M: windows-ui-backend beep ( -- )
"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>> hwnd>RECT ClipCursor drop ;
hWnd>> client-area>RECT ClipCursor drop ;
M: windows-ui-backend (ungrab-input) ( handle -- )
drop
f ClipCursor drop