racket/collects/mred/private/wx/win32/theme.rkt
2011-01-01 08:22:17 -07:00

105 lines
3.4 KiB
Racket

#lang racket/base
(require ffi/unsafe
ffi/unsafe/alloc
"utils.ss"
"const.ss"
"types.ss")
(provide
(protect-out get-theme-logfont
get-theme-font-face
get-theme-font-size
_LOGFONT-pointer
OpenThemeData
CloseThemeData
DrawThemeParentBackground
DrawThemeBackground
DrawThemeEdge
EnableThemeDialogTexture))
(define _HTHEME (_cpointer 'HTHEME))
(define-cstruct _FaceName1
([c1 _uint16]
[c2 _uint16]
[c3 _uint16]
[c4 _uint16]
[c5 _uint16]
[c6 _uint16]
[c7 _uint16]
[c8 _uint16]))
(define-cstruct _FaceName
([f1 _FaceName1]
[f2 _FaceName1]
[f3 _FaceName1]
[f4 _FaceName1]))
(define-cstruct _LOGFONT
([lfHeight _LONG]
[lfWidth _LONG]
[lfEscapement _LONG]
[lfOrientation _LONG]
[lfWeight _LONG]
[lfItalic _BYTE]
[lfUnderline _BYTE]
[lfStrikeOut _BYTE]
[lfCharSet _BYTE]
[lfOutPrecision _BYTE]
[lfClipPrecision _BYTE]
[lfQuality _BYTE]
[lfPitchAndFamily _BYTE]
[lfFaceName _FaceName])) ; 32 of them
(define-uxtheme CloseThemeData (_wfun _HTHEME -> (r : _HRESULT)
-> (when (negative? r)
(error 'CloseThemeData "failed: ~s" (bitwise-and #xFFFF r))))
#:wrap (deallocator))
(define (maybe-CloseThemeData v) (when v (CloseThemeData v)))
(define-uxtheme OpenThemeData (_wfun _HWND _string/utf-16 -> (_or-null _HTHEME))
#:wrap (allocator maybe-CloseThemeData))
(define-uxtheme GetThemeFont (_wfun _HTHEME _HDC _int _int _int (f : (_ptr o _LOGFONT))
-> (r : _HRESULT)
-> (if (negative? r)
(error 'GetThemeFont "failed: ~s" (bitwise-and #xFFFF r))
f)))
(define-uxtheme GetThemeSysFont(_wfun (_or-null _HTHEME) _int (f : (_ptr o _LOGFONT))
-> (r : _HRESULT)
-> (if (negative? r)
(error 'GetThemeSysFont "failed: ~s" (bitwise-and #xFFFF r))
f)))
(define-uxtheme DrawThemeBackground (_wfun _HTHEME _HDC _int _int _RECT-pointer (_or-null _RECT-pointer) -> (r : _HRESULT)
-> (when (negative? r)
(error 'DrawThemeBackground "failed: ~s" (bitwise-and #xFFFF r)))))
(define-uxtheme DrawThemeParentBackground (_wfun _HWND _HDC _pointer -> (r : _HRESULT)
-> (when (negative? r)
(error 'DrawThemeParentBackground "failed: ~s" (bitwise-and #xFFFF r)))))
(define-uxtheme DrawThemeEdge (_wfun _HWND _HDC _int _int _RECT-pointer _int _int _RECT-pointer -> (r : _HRESULT)
-> (when (negative? r)
(error 'DrawThemeEdge "failed: ~s" (bitwise-and #xFFFF r)))))
(define-uxtheme EnableThemeDialogTexture (_wfun _HWND _DWORD -> (r : _HRESULT)
-> (when (negative? r)
(error 'EnableThemeDialogTexture "failed: ~s" (bitwise-and #xFFFF r)))))
(define BP_PUSHBUTTON 1)
(define PBS_NORMAL 1)
(define TMT_FONT 210)
(define TMT_BODYFONT 809)
(define TMT_MSGBOXFONT 805)
(define theme-logfont (GetThemeSysFont #f TMT_MSGBOXFONT))
(define (get-theme-logfont)
theme-logfont)
(define (get-theme-font-face)
(cast (LOGFONT-lfFaceName theme-logfont) _pointer _string/utf-16))
(define (get-theme-font-size)
(abs (LOGFONT-lfHeight theme-logfont)))