gui/gui-lib/mred/private/gdi.rkt
2014-12-02 02:33:07 -05:00

109 lines
4.5 KiB
Racket

(module gdi mzscheme
(require mzlib/class
mzlib/list
racket/draw/private/page-dc
(prefix wx: "kernel.rkt")
(rename "wxme/cycle.rkt" wx:set-printer-dc%! set-printer-dc%!)
"lock.rkt"
"check.rkt"
"wx.rkt"
"te.rkt"
"mrtop.rkt"
"mrcanvas.rkt"
"syntax.rkt")
(provide register-collecting-blit
unregister-collecting-blit
printer-dc%
get-window-text-extent
normal-control-font
small-control-font
tiny-control-font
view-control-font
menu-control-font)
(define register-collecting-blit
(case-lambda
[(canvas x y w h on off) (register-collecting-blit canvas x y w h on off 0 0 0 0)]
[(canvas x y w h on off on-x) (register-collecting-blit canvas x y w h on off on-x 0 0 0)]
[(canvas x y w h on off on-x on-y) (register-collecting-blit canvas x y w h on off on-x on-y 0 0)]
[(canvas x y w h on off on-x on-y off-x) (register-collecting-blit canvas x y w h on off on-x on-y off-x 0)]
[(canvas x y w h on off on-x on-y off-x off-y)
(define (check-real who v)
(unless (real? v) (raise-argument-error who "real?" v)))
(check-instance 'register-collecting-blit canvas% 'canvas% #f canvas)
(check-position 'register-collecting-blit x)
(check-position 'register-collecting-blit y)
(check-dimension 'register-collecting-blit w)
(check-dimension 'register-collecting-blit h)
(check-instance 'register-collecting-blit wx:bitmap% 'bitmap% #f on)
(check-instance 'register-collecting-blit wx:bitmap% 'bitmap% #f off)
(check-real 'register-collecting-blit on-x)
(check-real 'register-collecting-blit on-y)
(check-real 'register-collecting-blit off-x)
(check-real 'register-collecting-blit off-y)
(wx:register-collecting-blit (mred->wx canvas) x y w h on off on-x on-y off-x off-y)]))
(define unregister-collecting-blit
(lambda (canvas)
(check-instance 'unregister-collecting-blit canvas% 'canvas% #f canvas)
(wx:unregister-collecting-blit (mred->wx canvas))))
(define printer-dc%
(class (doc+page-check-mixin (class wx:printer-dc%
(define/public (multiple-pages-ok?) #t)
(super-new))
'printer-dc%)
(init [parent #f])
(let ([prim? (or (parent . is-a? . wx:frame%)
(parent . is-a? . wx:dialog%))])
(unless prim?
(check-top-level-parent/false '(constructor printer-dc) parent))
(as-entry
(lambda ()
(let ([p (if prim?
parent
(and parent (mred->wx parent)))])
(as-exit (lambda () (super-new [parent p])))))))))
(wx:set-printer-dc%! printer-dc%)
(define get-window-text-extent
(case-lambda
[(string font)
(get-window-text-extent string font #f)]
[(string font combine?)
(check-string 'get-window-text-extent string)
(check-instance 'get-window-text-extent wx:font% 'font% #f font)
(let-values ([(w h d a) (get-window-text-extent* string font combine?)])
(values (inexact->exact (ceiling w)) (inexact->exact (ceiling h))))]))
(define small-delta (case (system-type)
[(windows) 0]
[(macosx) 2]
[else 1]))
(define tiny-delta (case (system-type)
[(windows) 1]
[else 2]))
(define normal-control-font (make-object wx:font% (wx:get-control-font-size)
(wx:get-control-font-face) 'system
'normal 'normal #f 'default
(wx:get-control-font-size-in-pixels?)))
(define small-control-font (make-object wx:font% (- (wx:get-control-font-size) small-delta)
(wx:get-control-font-face) 'system
'normal 'normal #f 'default
(wx:get-control-font-size-in-pixels?)))
(define tiny-control-font (make-object wx:font% (- (wx:get-control-font-size) tiny-delta small-delta)
(wx:get-control-font-face) 'system
'normal 'normal #f 'default
(wx:get-control-font-size-in-pixels?)))
(define view-control-font (if (eq? 'macosx (system-type))
(make-object wx:font% (- (wx:get-control-font-size) 1)
(wx:get-control-font-face) 'system)
normal-control-font))
(define menu-control-font (if (eq? 'macosx (system-type))
(make-object wx:font% (+ (wx:get-control-font-size) 1)
(wx:get-control-font-face) 'system)
normal-control-font)))