308 lines
9.7 KiB
Scheme
308 lines
9.7 KiB
Scheme
;; Author: David Frese
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; ...
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(define (create-window . args)
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(let ((alist (named-args->alist args)))
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(receive (x y width height border-width parent change-win-attr-list)
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(alist-split alist '((x . 0) (y . 0) (width . #f) (height . #f)
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(border-width . 2) (parent . #f)))
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(let* ((display (window-display parent))
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(Xwindow (%create-window (display-Xdisplay display)
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(window-Xwindow parent)
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x y width height border-width
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change-win-attr-list)))
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(if (= Xwindow 0)
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(error "cannot create window")
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(make-window Xwindow display))))))
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(import-lambda-definition %create-window (Xdisplay Xparent x y width height
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border-width attrAlist)
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"Create_Window")
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;; change-window-attributes takes an alist of names and values...
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;; names can be: background-pixmap, background-pixel, border-pixmap,
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;; border-pixel, bit-gravity, gravity, backing-store, backing-planes,
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;; backing-pixel, save-under, event-mask, do-not-propagate-mask,
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;; override-redirect, colormap, cursor.
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(define (change-window-attributes window . attrs)
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(let* ((alist (named-args->alist attrs))
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(prep-alist
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(map cons
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(map car alist)
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(map (lambda (value)
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(cond
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;; Abstractions ?? :
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((pixmap? value) (pixmap-Xpixmap value))
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((pixel? value) (pixel-Xpixel value))
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((colormap? value) (colormap-Xcolormap value))
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((cursor? value) (cursor-Xcursor value))
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(else value)))
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(map cdr alist)))))
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(%change-window-attributes (window-Xwindow window)
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(display-Xdisplay (window-display window))
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prep-alist)))
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(import-lambda-definition %change-window-attributes (Xwindow Xdisplay alist)
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"Change_Window_Attributes")
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;; single functions that use change-window-attributes:
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(define (make-win-attr-setter name)
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(lambda (window value)
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(change-window-attributes window (cons name value))))
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(define set-window-background-pixmap! (make-win-attr-setter 'background-pixmap))
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(define set-window-background-pixel! (make-win-attr-setter 'background-pixel))
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(define set-window-border-pixmap! (make-win-attr-setter 'border-pixmap))
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(define set-window-border-pixel! (make-win-attr-setter 'border-pixel))
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(define set-window-bit-gravity! (make-win-attr-setter 'bit-gravity))
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(define set-window-gravity! (make-win-attr-setter 'gravity))
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(define set-window-backing-store! (make-win-attr-setter 'backing-store))
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(define set-window-backing-planes! (make-win-attr-setter 'backing-planes))
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(define set-window-backing-pixel! (make-win-attr-setter 'backing-pixel))
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(define set-window-save-under! (make-win-attr-setter 'save-under))
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(define set-window-event-mask! (make-win-attr-setter 'event-mask))
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(define set-window-do-not-propagate-mask!
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(make-win-attr-setter 'do-not-propagate-mask))
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(define set-window-override-redirect! (make-win-attr-setter 'override-redirect))
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(define set-window-colormap! (make-win-attr-setter 'colormap))
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(define set-window-cursor! (make-win-attr-setter 'cursor))
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;; get-window-attributes gives back the same attributes that
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;; set-window-attributes sets and some more ...
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(define (get-window-attributes window)
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(let ((Xwindow (window-Xwindow window))
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(Xdisplay (display-Xdisplay (window-display window))))
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(let ((v (%get-window-attributes Xdisplay Xwindow)))
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(if (not v)
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(error "cannot get window attributes." window)
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(let*
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(;; ... modify as a vector not as a list... ??
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(alist (map cons
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'(x y width height border-width depth visual root
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class bit-gravity win-gravity backing-store
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backing-planes backing-pixel save-under colormap
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map-installed map-state all-event-masks
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your-event-mask do-not-propagate-mask
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override-redirect
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; screen not supported
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)
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(vector->list v)))
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(mod-alist (map (lambda (name-val)
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(case (car name-val)
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;((...-mask))
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;((font) ...)
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((backing-pixel)
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(cons 'backing-pixel
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(make-pixel (cdr name-val))))
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;((root)
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; (cons 'root
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; (make-window (cdr name-val) dpy??)))
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;((visual) ??)
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(else name-val)))
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alist)))
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mod-alist)))))
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(import-lambda-definition %get-window-attributes (Xdisplay Xwindow)
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"Get_Window_Attributes")
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(define (make-win-attr-getter name)
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(lambda (window)
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(cdr (assq name (get-window-attributes window)))))
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(define window-x (make-win-attr-getter 'x))
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(define window-y (make-win-attr-getter 'y))
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(define window-width (make-win-attr-getter 'width))
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(define window-height (make-win-attr-getter 'height))
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(define window-border-width (make-win-attr-getter 'border-width))
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(define window-depth (make-win-attr-getter 'depth))
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(define window-visual (make-win-attr-getter 'visual))
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(define window-root (make-win-attr-getter 'root))
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(define window-class (make-win-attr-getter 'class))
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(define window-bit-gravity (make-win-attr-getter 'bit-gravity))
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(define window-backing-store (make-win-attr-getter 'backing-store))
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(define window-backing-planes (make-win-attr-getter 'backing-planes))
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(define window-backing-pixel (make-win-attr-getter 'backing-pixel))
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(define window-save-under (make-win-attr-getter 'save-under))
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(define window-colormap (make-win-attr-getter 'colormap))
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(define window-map-installed (make-win-attr-getter 'map-installed))
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(define window-map-state (make-win-attr-getter 'map-state))
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(define window-all-event-masks (make-win-attr-getter 'all-event-masks))
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(define window-your-event-mask (make-win-attr-getter 'your-event-mask))
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(define window-do-not-propagate-mask
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(make-win-attr-getter 'do-not-propagate-mask))
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(define window-override-redirect (make-win-attr-getter 'override-redirect))
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;; ...
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(define (configure-window window . args)
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(let* ((args (named-args->alist args))
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(prep-alist (map cons
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(map car args)
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(map (lambda (val)
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(if (window? val)
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(window-Xwindow val)
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val))
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(map cdr args)))))
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(%configure-window (window-Xwindow window)
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(display-Xdisplay (window-display))
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prep-alist)))
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(import-lambda-definition %configure-window (Xwindow Xdisplay alist)
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"Configure_Window")
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;; the following mutators are based on configure-window
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(define (make-win-configurer name)
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(lambda (window value)
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(configure-window window name value)))
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(define set-window-x! (make-win-configurer 'x))
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(define set-window-y! (make-win-configurer 'y))
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(define set-window-width! (make-win-configurer 'width))
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(define set-window-height! (make-win-configurer 'height))
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(define set-window-border-width! (make-win-configurer 'border-width))
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(define set-window-sibling! (make-win-configurer 'sibling))
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(define set-window-stack-mode! (make-win-configurer 'stack-mode))
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;; ...
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(define (map-window window)
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(%map-window (window-Xwindow window)
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(display-Xdisplay (window-display window))))
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(import-lambda-definition %map-window (Xwindow Xdisplay)
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"Map_Window")
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;; ...
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(define (unmap-window window)
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(%unmap-window (window-Xwindow window)
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(display-Xdisplay (window-display window))))
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(import-lambda-definition %unmap-window (Xwindow Xdisplay)
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"Unmap_Window")
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;; ...
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(define (destroy-subwindows window)
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(%destroy-subwindows (window-Xwindow window)
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(display-Xdisplay (window-display window))))
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(import-lambda-definition %destroy-subwindows (Xwindow Xdisplay)
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"Destroy_Subwindows")
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;; ...
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(define (map-subwindows window)
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(%map-subwindows (window-Xwindow window)
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(display-Xdisplay (window-display window))))
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(import-lambda-definition %map-subwindows (Xwindow Xdisplay)
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"Map_Subwindows")
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;; ...
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(define (unmap-subwindows window)
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(%unmap-subwindows (window-Xwindow window)
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(display-Xdisplay (window-display window))))
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(import-lambda-definition %unmap-subwindows (Xwindow Xdisplay)
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"Unmap_Subwindows")
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;; ...
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(define (circulate-subwindows window direction)
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(%destroy-subwindows (window-Xwindow window)
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(display-Xdisplay (window-display window))
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(eq? direction 'lower-highest)))
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; other is: 'raise-lower / exception??
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(import-lambda-definition %circulate-subwindows (Xwindow Xdisplay dir)
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"Circulate_Subwindows")
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;; ...
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(define (clear-window window)
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(clear-area window 0 0 0 0 #f))
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;; ...
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(define (raise-window window)
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(set-window-stack-mode! window 'above))
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(define (lower-window window)
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(set-window-stack-mode! window 'below))
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;; ...
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(define (restack-windows window-list)
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(let loop ((w (car window-list))
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(t (cdr window-list)))
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(if (not (null? t))
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(let ((n (car t)))
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(set-window-sibling! n w)
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(set-window-stack-mode! n 'below)
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(loop n (cdr t))))))
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;; ...
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(define (query-tree window)
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(let* ((display (window-display window))
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(res (%query-tree (window-Xwindow window)
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(display-Xdisplay display))))
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(list (make-window (first res) display)
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(make-window (second res) display)
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(vector-map! (lambda (Xwindow)
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(make-window Xwindow display))
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(third res)))))
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(import-lambda-definition %query-tree (Xwindow Xdisplay)
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"Query_Tree")
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;; ...
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(define (translate-coordinates scr-window x y dst-window)
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(let* ((display (window-display src-window))
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(res (%translate-coordinates
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(display-Xdisplay display)
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(window-Xwindow src-window)
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x y
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(window-Xwindow dst-window))))
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(list (first res)
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(second res)
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(make-window (third res) display))))
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(import-lambda-definition %translate-coordinates (Xdisplay srcXwindow x y
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srcXwindow)
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"Translate_Coordinates")
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;;
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(define (query-pointer window)
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(let* ((display (window-display window))
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(res (%query-pointer (display-Xdisplay display)
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(window-Xwindow window))))
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(list (first res)
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(second res)
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(third res)
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(make-window (fourth res) display)
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(fifth res)
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(sixth res)
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(make-window (seventh res) display)
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(eighth res))))
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(import-lambda-definition %query-pointer (Xdisplay Xwindow)
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"Query_Pointer")
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